Mahaut of Châtillon

Mahaut of Châtillon (1293–1358) was the daughter of Guy III of Châtillon and Marie of Brittany. Her maternal grandmother was Beatrice of England. Beatrice was a daughter of Henry III of England and Eleanor of Provence.

Marriage

In 1308 she married Charles of Valois, the son of Philip III of France and Isabella of Aragon. He was also the brother of Philip IV of France. Charles himself had married twice before; upon the death of his second wife Catherine I of Courtenay in 1308, he married Mahaut. Mahaut and Charles had four children. One of their daughters would make them ancestors of French Kings, and another daughter would become Queen of Germany.

Mahaut and Charles's children were:

• Marie of Valois (1309–1332). Married Charles, Duke of Calabria and had issue.
• Isabella of Valois (1313 – August 26, 1388). She married Peter I, Duke of Bourbon. Had issue
• Blanche of Valois (1317–1348). She married Charles IV, Holy Roman Emperor. Sometimes called "Marguerite". Had issue
• Louis, Count of Chartres (1318–1328). Died young, no issue

Her husband Charles died in 1325. Mahaut died 33 years later in 1358 at the age of 65, having outlived three of her four children; only her daughter Isabella outlived her.

Ancestors