William was the son of William IX by his second wife Philippa of Toulouse. He was born in Toulouse during the brief period when his parents ruled the capital. His birth is recorded in the Chronicle … See more

William and Aenor had:
• Eleanor, who later became heiress to the Duchy and is best known to history as Eleanor of Aquitaine;
• Petronilla, … See more

William administered his Aquitaine duchy as both a lover of the arts and a warrior. He became involved in conflicts with Normandy, which he raided in 1136 in alliance with Geoffrey V, Count of Anjou, who claimed it in his wife's name and for France. See more

During St. Bernard's time spent with William, he invited him to attend mass at the La Couldre church. During communion, Bernard went to the door with the Eucharist on the sacred paten and pointed the Host toward him and asked him not to look at … See more

On his deathbed, he expressed his wish to see king Louis VI of France as protector of his fifteen-year-old daughter Eleanor, and to find her a suitable husband. Louis VI naturally accepted this guardianship and married the heiress of Aquitaine to his own son, See more

• Dukes of Aquitaine family tree See more

• Beech, George T. (1995). "Aquitaine". In Kibler, William W.; Zinn, Grover A. (eds.). Medieval France: An Encyclopedia. Garland Publishing, Inc. pp. 55–57.
• Brown, Elizabeth A.R. (2002). "Eleanor of Aquitaine Reconsidered: The Woman and Her Seasons". In … See more