House of Rohan

The House of Rohan is a Breton family of viscounts, later dukes and princes in the French nobility, coming from the locality of Rohan in Brittany. Their line descends from the viscounts of Porhoët and is said to trace back to the legendary Conan Meriadoc. Through the Porhoët family, the Rohans are related to the Dukes of Brittany, with whom the family intermingled again after its inception. During the Middle Ages, it was one of the most powerful families in the Duchy of Brittany. The Rohans developed ties with the French and English royal houses as well, and they played an important role in French and European history.
The only surviving line of the family is the branch of Rohan-Rochefort, Dukes of Montbazon, Dukes of Bouillon and Austrian Princes of Rohan, who migrated in the early 19th century to what is now Austria.
Following his marriage in 1645 with Marguerite de Rohan, only daughter of Henri II de Rohan, first Duke of Rohan, Henri Chabot, a descendant of the eldest branch of the House of Chabot from Poitou, was made Duke of Rohan in 1648 and allowed to use the name of Rohan-Chabot instead of his own, thus giving rise to the House of Rohan-Chabot.

Origins

The family of Rohan claimed descent from the first kings of Brittany, and even from the legendary ruler Conan Meriadoc.
The Rohans were descended from the Viscounts of Porhoët. According to J.-P. Soubigou, the first known viscount, Guethenoc, was probably Viscount of Rennes as well and connected to the nobility of the Loire region, but he could have belonged to a Breton line holding estates around Josselin, where he built a castle.
Guethenoc's son Josselin I took part in the Norman Conquest of England. He was granted lands in Bedfordshire, Buckinghamshire and Gloucestershire, as well as the town of Caerwent. He was the father of Mainguy, Bishop of Vannes, and Odo I, Viscount of Porhoët, Rohan and Guéméné, who married Anne of Léon and had several sons – Geoffrey, who inherited the viscounty of Porhoët, and Alain I the Black, Viscount of Rohan and Castelnoec, who built the castle of Rohan and was the first member of the House of Rohan.

History

From the 12th century to the 15th century, the Rohans kept securing and increasing their estates through marriages, acquisitions, inheritances, bequests and exchanges. Thus they became rivals of the Dukes of Brittany all through the Middle Ages, according to their interest, sometimes carrying out the most important charges of the Duchy faithfully, sometimes rebelling, as John II of Rohan did in the last years of Breton independence. The "great viscount", then more powerful than ever, controlled nearly 200,000 Bretons on about a fifth of the Breton territory. The heart of the viscounty of Rohan is made of the rohannais triangle whose center is the village of Rohan, the family's nominal fief whose castle is abandoned in favor of the other three.
To counter the power of the immense fiefs of the Rohan and Rieux families, which divided the Armorican peninsula into two equal parts, the Breton dukes denied them access to the coasts and blocked them in the eastern part of the duchy through the fortresses of the Breton March, whose main strongholds were Rennes and Nantes. The Rohans, then unpopular in a very Breton-tradition environment, were neutralized for the time being, and struck back only with the French army's direct support during the campaign of 1487 in the French–Breton War, which was marked by internal divisions among the barons of Brittany who constantly changed sides. In winter 1487–1488, John II was encircled by the ducal troops: his strongholds of La Chèze, Josselin, Rohan and Pontivy fell one after another in March 1488. The viscount was still coveting the ducal crown for his son but failed. In 1491, the marriage between Anne of Brittany and Charles VIII initiated the annexation of the duchy to the French crown, a union that was permanently ratified in 1532.
The Rohan family married several times into the Breton ducal family, the last time in 1407.
Henry II of Rohan chose Pontivy as the capital city of his fief. The chief of the Protestant party during Marie de' Medici's regency Louis XIII's reign, he was one of the greatest captains of his time.
In the 17th century, members of the Rohan family began to use their genealogy and their power at the French Court to obtain the rank of prince étranger, thus coming second after the princes du sang before all dukes and peers. Their aim was to prove that the former Kings of Brittany effectively ruled and that the Rohans are directly descended from them.
These two assertions were difficult to establish at the time and are not used in the 21st-century historiography. The Rohans then applied themselves to giving credence to this version through historians such as Dom Morice, but also through favour, forcing and violating history if needed. The Rohans had to force their claims through thanks to forged evidence.
This operation remained uncertain, the Dukes and peers of France being watchful, and the Rohans secured their position through other means: alliances with other families of princes étrangers exclusively, elevation of their estates into principalities, legally or not, accession to the Bishopric of Strasbourg, giving them the rank of Prince of the Empire, and the use of royal favor and their closeness to the kings.
In spite of attacks from rival families, the Rohans managed to base their power and impose their historical and genealogical views, which provided them with positions allowing them to secure their power and credit at Court. The greatest closeness to the King was then acquired and could not be questioned any more.

Descent tree

The family of Rohan has a long documented history, with close ties to the Dukes of Brittany.

House of Rohan
** Barons Zouche branch
*** Rohan eldest branch
**** Rohan-Guéméné branch
******* Rohan-Rochefort branch
****** Rohan-Soubise branch
***** Rohan-Gié branch
****** House of Rohan-Chabot
**** Rohan-Gué-de-l'Isle branch
***** Rohan-Polduc
* Rohan-Montauban branch
Guethenoc, probably Viscount of Rennes; parentage unknown; m. Alarun of Cornouaille
* Joscelin I, Viscount of Porhoët; m. ?
** Odo I, Viscount of Porhoët; m. Emma of Léon
*** Alan of Porhoët, a.k.a. Alan I of Rohan the Black, Viscount of Rohan and Castelnoec; m. Villana de Castille
**** Alan II, Viscount of Rohan and Castelnoec, Lord of Guéméné and Guingamp; m. ?
***** Alan III, Viscount of Rohan; m. Constance of Penthièvre, Lady of Corlay and Mur-de-Bretagne
****** Alan IV of Rohan, a.k.a. Alan IV the Younger, Viscount of Rohan, Lord of Guéméné, crusader; m. Mabilla of Fougères
******* Geoffrey I of Rohan, Viscount of Rohan; m. Margaret of Thouars; m. Gervasia of Vitré, a.k.a. Gervaise de Dinan, Lady of Southern-Dinan and Léhon, Lady of Bécherel
******* Conan of Rohan
******* Oliver I of Rohan, Viscount of Rohan
******* Alan V of Rohan, Viscount of Rohan; m. Eleanor of Porhoët, Lady of Lannouée
******** Alan VI of Rohan, Viscount of Rohan; m. Isabeau of Avaugour ; m. Thomasse of La Roche-Bernard
********* Oliver II of Rohan, Viscount of Rohan; m. Alix of Rochefort
********** Alan VII of Rohan, Viscount of Rohan; m. Joan of Rostrenen, Lady of Guéméné-Guégant
*********** John I of Rohan, Viscount of Rohan, Lord of Guéméné; m. Joan of Léon, Lady of Léon
************ Alan VIII of Rohan, Viscount of Rohan and Porhoët, Lord of Blain, Noyon-sur-Andelle, Pont-Saint-Pierre and Radepont; m. Beatrice of Clisson, Viscountess of Porhoët, Lady of Blain, Baroness of Pontchâteau
************* Alan IX of Rohan a.k.a. Alan IX the Builder, Viscount of Rohan and Porhoët, Lord of Léon Baron of Pontchâteau, Lord of Blain, Noyon-sur-Andelle, Pont-Saint-Pierre, Radepont and La Garnache; m. Margaret of Montfort a.k.a. Margaret of Brittany, Lady of Guillac
************** Alan of Rohan, Viscount of Porhoët; m. Yolande of Montfort-Laval
************** Margaret of Rohan ; m. John of Valois-Orléans a.k.a. John II of Valois-Angoulême, Count of Angoulême and Périgord, Duke of Milan; m. Giles of Montmorency-Laval a.k.a. Giles II of Laval-Loué, Viscount of Brosse, Lord of Loué, Benais, Montsabert, Marcillé, Le Parvis, Bressuire, Maillé, La Rochecorborn, La Haye, and La Motte-Sainte-Heraye
************** Joanna of Rohan ; m. Francis I, Lord of Rieux, Lord of Rieux and Rochefort, Baron of Malestroit, Count of Harcourt, Lord of Assérac, Viscount of Donges, Councillor and Chamberlain of Francis I of Brittany, Knight of the Order of the Ermine, Chamberlain of the Dauphin Louis
************** Catherine of Rohan ; m. James of Dinan, Knight banneret, Lord of Beaumanoir, Montafilant, and Le Bodister, Captain of Josselin, Governor of Sablé, Grand Butler of France; m. Jean I of Albret, Viscount of Tartas
************** Beatrice of Rohan ; m. Mary of Lorraine-Vaudémont
************** John II of Rohan, Viscount of Rohan and Léon, Count of Porhoët, Lord of Blain, La Garnache and Beauvoir-sur-Mer, Councillor and Chamberlain of King Charles VIII, chief-lieutenant of Brittany; m. Marie of Montfort a.k.a. Marie of Brittany
*************** Francis of Rohan
*************** John of Rohan
*************** James of Rohan, Viscount of Rohan and Léon, Count of Porhoët; m. Françoise of Daillon du Lude; m. Françoise of Rohan-Guéméné '
*************** George of Rohan
*************** Claude of Rohan, Bishop of Quimper and Cornouaille
*************** Anne of Rohan, Viscountess of Rohan; m. Peter II of Rohan-Gié, Lord of Blain, Frontenay, La Marche and Gié, Viscount of Carentan '
*************** Marie of Rohan ; m. Louis IV of Rohan-Guéméné, Lord of Guéméné '
************** Catherine of Rohan; m. René of Keradreux
************** Peter of Rohan a.k.a. Peter of Quintin, Baron of Pontchâteau, Lord of La Garnache, Baron of Quintin jure uxoris; m. Joan du Perrier, Baroness of Quintin and Blossac, Lady of La Roche d'Iré
*************** Christopher of Rohan
************** Louis of Rohan
************** Francis of Rohan
************** Antoine of Rohan
************** Madeleine of Rohan, nun in Fontevrault
************** Anne of Rohan, nun in Fontevrault
************** Isabella of Rohan
************ Joan of Rohan, Lady of Noyon-sur-Andelle; m. Robert of Valois a.k.a. Robert d'Alençon, Count of Perche; m. Peter II of Amboise, Viscount of Thouars
************ Margaret of Rohan; m. John Botterel-Quintin
************ Edward of Rohan, vicomte de Léon; m. Margaret of Châteaubriant, Lady of Portric and La Marousière
************* Joan of Rohan; m. William of Saint-Gilles
************* Louise of Rohan, Lady of Léon; m. Patry III of Châteaugiron, Lord of Châteaugiron and Derval, Grand Chamberlain of Brittany; m. John of Rostrenen, Lord of Coetdor and La Chesnaye
************ Guy of Rohan; m. Joan of Évreux a.k.a. Joan of Navarre
************ Charles of Rohan a.k.a. Charles I of Rohan-Guéméné, Lord of Guéméné; m. Catherine du Guesclin
************* Louis I de Rohan-Guéméné, Lord of Guéméné; m. Marie of Montauban
************** Louis II of Rohan-Guéméné the Great, Lord of Guéméné, Baron of Lanvaux, Lord of La Roche-Moysan, Mortiercrolles, Condé-sur-Noireau, Tracy and Vassy; m. Louise of Rieux
*************** John of Rohan-Guéméné, Lord of Landal, Governor of Touraine; m. Guyonne of Lorgeril, Lady of Lorgeril
**************** Catherine of Rohan-Guéméné, Lady of La Ribaudière; m. Tanneguy of Kermaven; m. Gilbert of Limoges
**************** Margaret of Rohan-Guéméné, Lady of Tressant and La Tourniolle; m. Louis of Malestroit, Lord of Pontcallec
**************** Helena of Rohan-Guéméné, Lady of Landal and Lorgeril; m. Francis of Maure, Count of Maure
*************** Margaret of Rohan-Guéméné ; m. Francis of Maillé, Viscount of Tours, Baron of Maillé
*************** Louis III of Rohan-Guéméné, Lord of Guéméné; m. Renée de Fou
**************** Louis IV of Rohan-Guéméné, Lord of Guéméné; m. Marie of Rohan '
***************** Louis V of Rohan-Guéméné, Lord of Guéméné; m. Margaret of Montfort-Laval, Lady of Perrier
****************** Louis VI de Rohan-Guéméné, Prince of Guéméné, Count of Montbazon; m. Eleanor of Rohan-Gié, Countess of Rochefort '
******************* Renée of Rohan-Guéméné ; m. John of Coëtquen, Count of Combourg
******************* Lucrecia of Rohan-Guéméné ; m. James of Tournemine, Marquis of Coetmeur, Lord of Landinière and Carmelin
******************* Isabella of Rohan-Guéméné ; m. Nicolas of Pellevé, Count of Flers
******************* Peter of Rohan-Guéméné, Prince of Guéméné, Duke of Montbazon, Baron of Mortiercrolles, Lord of Sainte-Maure; m. Madeleine of Rieux
******************** Anne de Rohan-Guéméné, Princess of Guéméné; m. Louis VIII de Rohan-Guéméné, Count of Rochefort, Duke of Montbazon, Prince of Guéméné, Grand Huntsman France, Conseiller d'État, Governor of Dourdan '
******************* Hercule I de Rohan-Guéméné, Prince of Guéméné, Duke of Montbazon, Count of Rochefort-en-Yvelines, Prince of Léon; m. Madeleine of Lenoncourt
******************** Louis VIII de Rohan-Guéméné, Count of Rochefort, Duke of Montbazon, Prince of Guéméné, Grand Huntsman of France, Conseiller d'État, Governor of Dourdan; m. Anne de Rohan-Guéméné, Princess of Guéméné '
********************* Louis of Rohan-Guéméné a.k.a. the Knight of Rohan, adventurer, Grand Huntsman of France, Colonel of the Guards of Louis XIV
********************* Charles II de Rohan-Guéméné, Duke of Montbazon, Prince of Guéméné; m. Jeanne Armande de Schomberg
********************** Charles III de Rohan-Guéméné, Duke of Montbazon, Prince of Guéméné, Peer of France; m. Marie Anne d'Albert ; m. Charlotte Élisabeth de Cochefilet a.k.a. Mademoiselle de Vauvineux
*********************** Charlotte de Rohan-Guéméné ; m. Antoine François Gaspard de Colins, Count of Mortagne; m. Jean Antoine de Créquy, Count of Canaples
*********************** Louis Henri de Rohan-Guéméné
*********************** François-Armand de Rohan-Guéméné, Duke of Montbazon, Prince of Guéméné, brigadier; m. Louise Julie de La Tour d'Auvergne-Bouillon
************************ Charles Jules de Rohan-Guéméné
*********************** Anne Thérèse de Rohan-Guéméné, Abbess of Jouarre Abbey
*********************** Louis Henri de Rohan-Guéméné, Count of Rochefort-en-Yvelines
*********************** ? de Rohan-Guéméné a.k.a. Mademoiselle de Rochefort
*********************** Hercule II Mériadec de Rohan-Guéméné, Duke of Montbazon, Prince of Guéméné, Peer of France; m. Louise Gabrielle Julie de Rohan-Soubise '
************************ Charlotte Louise de Rohan-Guéméné a.k.a. Mademoiselle de Rohan ; m. Vittorio Amedeo Ferrero Fieschi, Prince of Masserano
************************ Geneviève Armande de Rohan-Guéméné, Abbess of Marquette
************************ Jules Hercule Mériadec de Rohan-Guéméné, Duke of Montbazon, Prince of Guéméné; m. Marie-Louise Henriette de La Tour d'Auvergne, Princess of Guéméné
************************* Henri Louis Marie de Rohan-Guéméné, Prince of Rohan-Guéméné, Duke of Montbazon, Lord of Clisson; m. Victoire Armande Josèphe de Rohan-Soubise a.k.a. Madame de Guéméné, Princess of Maubuisson, Lady of Clisson '
************************** Charlotte Victoire Josèphe Henriette de Rohan-Guéméné
************************** Charles IV Alain Gabriel de Rohan-Guéméné, Duke of Montbazon, Prince of Guéméné, Duke of Bouillon, Lord of Clisson; m. Louise Aglaé de Conflans d'Armentières
*************************** Berthe de Rohan-Guéméné ; m. Louis IX Victor Mériadec de Rohan-Guéméné, Prince of Guéméné, Duke of Bouillon '
************************** Marie Louise Joséphine de Rohan-Guéméné ; m. Charles Louis Gaspard de Rohan-Rochefort, Prince of Montaubon '
************************** Louis IX Victor Mériadec de Rohan-Guéméné, Prince of Guéméné, Duke of Bouillon; m. Berthe de Rohan-Guéméné '
************************** Jules Armand Louis de Rohan-Guéméné ; m. Wilhelmine Biron de Kurland
************************ Marie Louise de Rohan-Guéméné
************************ Louis-Armand Constantin de Rohan-Guéméné a.k.a. the Knight of Rohan ; m. Louise Rosalie Le Tonnelier de Breteuil
************************ Louis René Édouard de Rohan-Guéméné, Prince of Rohan, Cardinal-Archbishop of Strasbourg, member of the Académie Française, Grand Almoner of the King and head of the Sorbonne
************************ Ferdinand Maximilien Mériadec de Rohan-Guéméné, Prince of Rohan-Guéméné, Archbishop of Bordeaux, Prince-Archbishop of Cambrai and Liège, first Almoner of Emperess Joséphine; m. Charlotte Stuart
************************* Marie Victoire de Rohan
************************* Aglaé Clémentine de Rohan
************************* Marie Béatrice de Rohan
************************* Charles Édouard de Rohan a.k.a. the Knight of Roehanstart
*********************** Marie Anne de Rohan-Guéméné, Abbess of Penthemont
*********************** Anne de Rohan-Guéméné, nun
*********************** Élisabeth de Rohan-Guéméné, Abbess of Preaux and Notre-Dame de Marquette
*********************** Charles de Rohan-Guéméné a.k.a. Charles de Rohan-Rochefort, Prince of Rochefort; m. Éléonore Eugénie de Béthisy de Mézières
************************ Rohan-Rochefort branch
*********************** Armand de Rohan-Guéméné, Abbot of Gard and Gorze, Duke-Archbishop of Reims, Peer of France
*********************** Charlotte Julie de Rohan-Guéméné, nun
*********************** Louis de Rohan-Guéméné a.k.a. the Cardinal of Rohan, Bishop of Strasbourg, Cardinal
********************** Jean-Baptiste de Rohan-Guéméné ; m. Charlotte de Bautru-Nogent
*********************** Marie Jeanne de Rohan-Guéméné
********************** Joseph de Rohan-Guéméné
********************** Charlotte de Rohan-Guéméné ; m. Guy-Henri Chabot, Count of Jarnac, Marquis of Soubran, Lord of Clion-Somsac, de Maroüette et de Grésignac; m. Pons de Pons, Count of Roquefort
********************** Élisabeth de Rohan-Guéméné ; m. Alexandre de Melun, Count of Melun
********************** Jeanne de Rohan-Guéméné
******************** Marie de Rohan-Guéméné, Duchess of Luynes and Chevreuse; m. Charles d'Albert, Marquis of Albert, Duke of Luynes, Grand Constable of France, Peer of France; m. Claude de Lorraine a.k.a. Claude de Guise, Duke of Chevreuse
******************** François de Rohan-Guéméné a.k.a. François de Rohan-Soubise, Prince of Soubise, Count of Rochefort; m. Anne de Rohan-Chabot, Princess of Soubise
********************* Rohan-Soubise branch
******************** Anne de Rohan-Guéméné ; m. Louis Charles d'Albert de Luynes, Duke of Luynes, Duke of Chevreuse, Prince of Léon
******************** Marie Éléonore de Rohan-Guéméné, Abbess of Sainte-Trinité, and Malnoue
******************* Sylvie de Rohan-Guéméné ; m. François d'Espinay, Marquis of Broons; m. Antoine de Sillans, Baron of Creuilly
******************* Marguerite de Rohan-Guéméné ; m. Charles d'Espinay, Marquis of Espinay; m. Léonard Philibert de Pompadour, Viscount of Pompadour
******************* Alexandre de Rohan-Guéméné ; m. Lucette Tarneau
******************* Louis VII de Rohan-Guéméné, Count then Duke of Montbazon, Count of Rochefort, Prince of Guéméné; m. Madeleine de Lenoncourt
****************** Renée de Rohan-Guéméné; m. François de Rohan-Gié, Lord of Gié and Verger, Viscount of Fronsac, Count of Orbec '; m. René de Montmorency-Laval a.k.a. René II de Laval-Loué, Lord then Baron of Maillé, Lord of Loué, Benais, Montsabert, Marcillé, Parvis, La Rochecorborn, La Haye and Les Écluses; m. Jean of Montmorency-Laval, Count then Marquis of Nesle, Count of Joigny, Viscount of Brosse, Lord then Baron of Bressuire, Lord then Baron of La Motte-Sainte-Heraye, Baron of La Roche-Chabot and L'Isle-sous-Montréal, Marquis of Nesle, Baron then Count of Maillé, Lord of Loué
**************** Françoise de Rohan-Guéméné; m. James of Rohan, Viscount of Rohan and Lord of Léon, Count of Porhoët '
*************** Joan of Rohan-Guéméné; m. Francis of Chastellier, Viscount of Pommerit
*************** Catherine of Rohan-Guéméné; m. John of Malestroit, Lord of Kerser
*************** Françoise de Rohan-Guéméné, Lady of Marcheville and Varennes; m. Louis of Husson, Count of Tonnerre; m. Francis of Maillé, Viscount of Tours, Baron of Maillé
*************** Henry of Rohan-Guéméné, Lord of Landal; m. Margaret du Pont-l'Abbé, Lady of Plusquellec, Callac, Trogoff and Coëtanfao
*************** James of Rohan-Guéméné
************** Peter of Rohan-Guéméné a.k.a. Peter I of Rohan-Gié the Marshal of Gié, Lord of Gié, Viscount of Fronsac, Marshal of France; m. Françoise de Penhoët, Viscountess of Fronsac
*************** Rohan-Gié branch
**************** House of Rohan-Chabot; m. Margaret of Armagnac, Countess of Guise, daughter of Jacques d'Armagnac-Nemours
************** Helena of Rohan-Guéméné ; m. Peter du Pont, Baron du Pont
*********** Margaret of Rohan ; m. John IV of Beaumanoir, Lord of Beaumanoir, Merdrignac and La Hardouinaye, captain of the castle of Josselin, Marshal of Brittany; m. Oliver V of Clisson, Lord of Clisson, Viscount of Porhoët, Lord of Blain, Josselin, Belleville, Montaigu, La Garnache, Yerrick and Beauvoir, Baron of Pontchâteau, Grand Constable of France
*********** Peter of Rohan
********** Geoffrey II of Rohan, Bishop of Saint-Brieuc and Vannes; m. Joanna of Léon, Lady of Châteauneuf-en-Thymerais
********** Joscelin of Rohan, Bishop of Saint-Malo
********** Oliver of Rohan
********** Thibaut of Rohan
********* Joanna of Rohan ; m. Peter of Kergolay
********* Beatrice of Rohan; m. John of Beaumanoir, Lord of Merdrignac
********* James of Rohan; m. Peronne
********* Odo of Rohan a.k.a. Odo of Rohan-Gué-de-l'Isle, Lord of Gué-de-l'Isle; m. Aliette of Coëtlogon, Lady of Gué-de-l'Isle
********** Rohan-Gué-de-l'Isle branch
*********** Rohan-Polduc branc
********* Alan of Rohan ; m. Agnes of Avaugour
********* Geoffrey of Rohan, canon; m. Catherine of Clisson
********* Joscelin of Rohan
********* Guiart of Rohan
******** Joan of Rohan ; m. Harvey IV of Léon, Lord of Léon and Châteauneuf-en-Thymerais
******** Mabilla of Rohan; m. Robert of Beaumetz, Lord of Beaumetz
******** Vilana of Rohan; m. Richard of La Roche-Jagu, Lord of La Roche-Jagu
******** Tiffany of Rohan; m. Geoffrey II of Lanvaux, Lord of Lanvaux
******** Philippa of Rohan; m. Henry of Avaugour, Lord of Goëlo
******** Geoffrey of Rohan, Lord of Noial
******** Meriadec of Rohan, Bishop of Vannes
******** Philip of Rohan
******* Catherine of Rohan; m. Geoffrey of Hennebont, Lord of Hennebont; m. Raoul Niel, Lord of La Muce
******* Heloise of Rohan
****** Constance of Rohan ; m. Odo du Pont a.k.a. Odo I of Pontchâteau, Baron of Pontchâteau
****** William of Rohan
****** Margaret of Rohan; m. Harvey I of Léon, Lord of Châteauneuf
****** Alix of Rohan; m. Françoise of Corbey
****** Joscelin de Rohan, Lord of Montfort et de Noial, Viscount of Rohan; m. Maud of Montfort, Lady of Montfort and Boutavent
******* Rohan-Montauban branch
**** Joscelin of Rohan, Lord of Montauban
**** Odo of Rohan

For more detailed branches, see below.