John I, Count of Alençon

John I, Count of Alençon, son of William III Talvas, Count of Ponthieu, and Helie of Burgundy.
Recognized as Count of Alençon by Henry II of England, John succeeded his father in 1171. He was a supporter of the Perseigne Abbey and the Abbey of Saint-Martin of Troarn.
He married Beatrix of Maine, daughter of Elias II, Count of Maine, and Philippe, Countess of Perche. John and Beatrix had six children:

John II, Count of Alençon, succeeded his father
Robert, Count of Alençon, succeeded John II. Married Jeanne de Preuilly, widow of Hugues V, Viscount of Châteaudun.
Guillaume
Ella d’Alençon, married to Hugh II, Viscount of Chatellerault
Helie d’Alençon, married Robert VI FitzErneis
Philippa d’Alençon, married first to William III of Roumare, second to William Malet, Lord of Graville, and third, to William de Préaux.

Near the end of his life, he planned to participate in the Third Crusade, but died February 24, 1191, at the. He was succeeded as Count of Alençon by his son John.