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Birth:          ABT  937 of Aquitaine
Death:          3 Feb  994 France

Notes
II: Poitou, IV: Aquitaine
https://en.wikipedia.org/wiki/William_IV,_Duke_of_Aquitaine
William IV (937 – 3 February 994[1]), called Fierebras or Fierebrace (meaning "Proud 
Arm", from the French Fier-à-bras or Fièrebrace, in turn from the Latin Ferox brachium), 
was the Duke of Aquitaine and Count of Poitou from 963 to his retirement in 990.

William's father, William III, abdicated to the abbey of Saint-Cyprien in Poitiers and left 
the government to Fierebras. His mother was Gerloc, the daughter of Duke Rollo of 
Normandy. His sister was Adelaide, wife of Hugh Capet, the king against whom William 
later battled for his duchy. His early reign was characterised by many wars. He fought 
frequently against the counts of Anjou, the first time against Geoffrey Greymantle, who 
had taken Loudun.

In 988, he went to war with the newly elected king of France, Hugh Capet, whom he 
refused to recognise. Capet had been granted Aquitaine by King Lothair before the 
latter had been reconciled to William's father. Capet renewed his claim on the great 
duchy and invaded it that year. A royal army was defeated on the plain of the Loire 
Valley. William sheltered the young Louis, the son of Charles, Duke of Lower Lorraine, 
the last legitimate Carolingian heir. He opened the palace of Poitiers to him and 
treated him as royalty, regarding him as the true heir to the French throne.

In 968, he married Emma or Emmeline,[2] daughter of Theobald I of Blois and 
Luitgarde of Vermandois. Their marriage was stormy, in part because of William's 
indulgence in the pursuit of women and, a hunting aficionado, wild animals. She 
banished his paramours, they separated twice for long periods, and finally he retired to 
a monastery, as his father had done, leaving Emma to rule Aquitaine in the name of 
their son William until 1004. Their second son, Ebles, died sometime after 997.

Parents
____ William (Guillaume) III (I) "Tete d'Etoupe" (ABT  915 - 3 Apr  963)
OF NORMANDY Adele (Gerloc) (ABT  920 - 14 Oct  962)

Siblings
____ William (Guillaume) IV (II) "Fier-a-bras" (ABT  937 - 3 Feb  994)
OF AQUITAINE Adelaide (ABT  945 - ABT 1004)

Marriage To OF BLOIS Emma (ABT  954 - AFT 27 Dec 1003)
    m.  968 

Notes

Parents
OF BLOIS Theobald (Thibault) II "le Tricheur" ("the Cheat") (ABT  911 - 16 Jan  975)
DE VERMANDOIS Luitgarde (ABT  914 - 9 Feb  978)

Children by OF BLOIS Emma ABT  954 - AFT 27 Dec 1003
DE POITOU William (Guillaume) V (III) "The Grand" (ABT  969 - 31 Jan 1030)

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