Person:Guillaume III d'Aquitaine (1)

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William III (913 – 3 April 963), called Towhead from the colour of his hair, was the "Count of the Duchy of Aquitaine" from 959 and Duke of Aquitaine from 962 to his death. He was also the Count of Poitou (as William I) from 935 and Count of Auvergne from 950. The primary sources for his reign are Ademar of Chabannes, Dudo of Saint-Quentin, and William of Jumièges.

William was son of Ebalus Manzer and Emilienne. He was born in Poitiers. He claimed the Duchy of Aquitaine from his father's death, but the royal chancery did not recognise his ducal title until the year before his own death.

Shortly after the death of King Rudolph in 936, he was constrained to cede some land to Hugh the Great by Louis IV. He did it with grace, but his relationship with Hugh thenceforward deteriorated. In 950, Hugh was reconciled with Louis and granted the duchies of Burgundy and Aquitaine. He tried to conquer Aquitaine with Louis's assistance, but William defeated them. Lothair, Louis's successor, feared the power of William. In August 955 he joined Hugh to besiege Poitiers, which resisted successfully. William, however, gave battle and was routed.

After the death of Hugh, his son Hugh Capet was named duke of Aquitaine, but he never tried to take up his fief, as William reconciled with Lothair.

He was given the abbey of Saint-Hilaire-le-Grand, which remained in his house after his death. He also built a library in the palace of Poitiers.

1.   William III of Aquitaine, in Wikipedia: The Free Encyclopedia.
2.   Guillaume III, Duc d'Aquitaine, in Lundy, Darryl. The Peerage: A genealogical survey of the peerage of Britain as well as the royal families of Europe.
3. ↑ GUILLAUME de Poitou, son of EBALUS "Mancer" Comte de Poitou & his [second wife Emillane ---] ([900]-Poitiers 3 Apr 963, bur Saint-Cyprien), in Cawley, Charles. Medieval Lands: A prosopography of medieval European noble and royal families.
4. ↑ ^{4.0 4.1 4.2 4.3} Biographie en Wikipedia FR, in Wikipedia: The Free Encyclopedia
   [[1]], trouvée 2015.

   Guillaume III de Poitiers1, dit Guillaume Tête d'Étoupe, (né en 910 - mort le 3 avril 963 à Saint-Maixent, Deux-Sèvres), comte de Poitiers sous le nom de Guillaume Ier à partir de 934, et duc d'Aquitaine sous celui de Guillaume III. Il succède à son père Ebles Manzer.