Adeliza of Normandy was born circa 1055 in Normandy to William I of England (1027-1087) and Matilda of Flanders (c1031-1083) and died 1065 of unspecified causes. Charlemagne (747-814)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s.

Adeliza of Normandy or Adelida of Normandy was a daughter of the English king William the Conqueror and his wife, Matilda of Flanders. There is considerable uncertainty about her life, including her dates of birth and death. In a mortuary roll prepared at her sister's religious house, she was listed first among the daughters of William the Conqueror. She was usually the first daughter in lists of William's children, and thus probably the eldest. Her inclusion in the mortuary roll indicates that her death preceded the date of its 1113 compilation.

In the additions Orderic Vitalis made to the Gesta Normannorum Ducum (Deeds of the Norman Dukes), he states that prior to his death at the Battle of Hastings, Harold Godwinson was betrothed to ‘Adelidis', a daughter of William, and that she remained single after his death. Calling her "Adelida", Robert of Torigni follows Orderic in showing her as the affianced of Harold.

However, in the later books of his Historia Ecclesiastica, Orderic instead states that she was "a virgin under the protection of Roger de Beaumont" which, in the view of historian Elisabeth van Houts, probably means that she was a nun of St Léger at Préaux. Orderic makes a previously unknown sister Agatha the fiancée of Harold, and also of Alfonso VI of León and Castile.

She was almost certainly the Adeliza addressed by Archbishop Anselm of Canterbury in prayers and meditations as a "venerable lady of royal nobility".



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