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Male William III Count of Poitou , V Duke d'Aquitaine Click to view William III Count of Poitou , V Duke d'Aquitaine in the family tree

William III Count of was born about 0969 in Poitiers, Vienne, Poitou, France.1   William III Count of's father was "Iron Arms", Count of Poitou William IV and his mother was Emma de Blois Duchess of Aquitaine.  His paternal grandparents were 'the Pious' III Duke of Aquitaine William I and Adele Gerloc Princess of Normandy; his maternal grandparents were "The Cheat" Count of Blois Theobald I and Princess Luitgarde (Ledgard) de Vermandois. He had a brother and a sister, named Duke De Aquitaine and of Lorraine Countess of Anjou.  He was the second oldest of the three children.  He died in Abbey of St. Cyprian.1 


William III Count of's family with Agnes deMacon of Burgundy

‌William III Count of and Agnes deMacon of were married in a religious ceremony in 1018 in France.2   They had a son and a daughter, named , Duke of Aquitaine and Agnes Of.

1 Pruden
2 Directory of Royal Genealogical Data
Further sources/citations:
1111The Phillips, Weber, Kirk, & Staggs families of the Pacific Northwest, Encyclopedia Britannica, Treatise on @ Henry III HRE, Ancestral Roots of Certain American Colonists, 7th Ed. @ 45-22, 110-23, G1209.ftw, Andrew Frank.FTW, JanePhillips.FTW

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