Avelina de CREPON 
Avelina de was born about 0974 in Longueville, Normandy, France. Avelina de is no longer alive.
They had a son named Walter, Earl of Buckingham,.
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Children
Walter, Earl of Buckingham, GRIFFARD
Walter, Earl of Buckingham, was born about 1010 in Longueville, France. He died about 1084 in France.