List of rulers of Montferrat
The marquises and dukes of Montferrat were the rulers of a territory in Piedmont south of the Po and east of Turin. The March of Montferrat was created by Berengar II of Italy in 950 during a redistribution of power in the northwest of his kingdom. It was originally named after and held by the Aleramici. In 1574, Montferrat was raised to a duchy by Emperor Maximilian II.
Marquises
Aleramici dynasty
- William I
- Aleramo
- *William II, son and co-ruler
- Otto I, son
- William III , son
- Otto II, son
- *Henry, brother and co-ruler
- William IV , son
- Rainier, son
- William V, son
- Conrad, son
- Boniface I, brother
- William VI , son
- Boniface II, son
- William VII, son
- John I, son
Paleologo dynasty
- Theodore I, nephew of John
- John II, son
- Secondotto, also known as Otto III, son
- John III, brother
- Theodore II, brother
- John Jacob, son
- John IV, son
- William VIII, brother
- Boniface III, brother
- William IX, son.
- Boniface IV, son, under the regency of his mother Anne of Alençon
- John George, uncle
- *Spanish occupation until 1536.
- Margaret of Montferrat, daughter of William IX and Anne of Alençon, and Marchioness of Montferrat in her own right.
Gonzaga dynasty
- Frederick Gonzaga, Duke of Mantua. Married to Margaret of Montferrat, daughter of William IX and Anne of Alençon, and Marchioness of Montferrat in her own right.
- Francis I, Duke of Mantua, Marquis of Montferrat. Son of Margaret of Montferrat and Frederick Gonzaga.
- Guglielmo I Gonzaga, Duke of Mantua, Marquis until 1574, then duke. Son of Margaret of Montferrat and Frederick Gonzaga
Dukes
Gonzaga dynasty
- William X, Duke of Mantua, Duke of Montferrat from 1574, previously marquis
- Vincent I, Duke of Mantua and Montferrat. Son of William X
- Francis II, Duke of Mantua and Montferrat. Son of Vincent I
- Ferdinand, Duke of Mantua and Montferrat. Son of Vincent I.
- Vincent II, Duke of Mantua and Montferrat. Son of Vincent I.
- War of the Mantuan Succession – a portion was lost to Duchy of Savoy
- Maria, Duchess of Montferrat 1612–60, also Duchess of Mantua 1627–1631. Daughter of Francis II.
- Charles I, called "of Nevers", Duke of Montferrat, also Duke of Mantua and Nevers. Father-in-law of Maria, co-ruler with Maria and his son, Charles.
- Charles II. Also Duke of Nevers until 1659. Son of Maria, grandson of both Charles I and Francis II.
- Ferdinand Charles, Duke of Montferrat and Mantua. Son of Charles II.
Savoy dynasty
- Prince Amadeus, Duke of Montferrat, second son of Victor Amadeus III of Sardinia
- Prince Maurizio, Duke of Montferrat third son of Victor Amadeus III
- Prince Oddone, Duke of Montferrat, third son of Victor Emmanuel II of Italy.