Sources

1) Source: The Ecclesiastical History of England and Normandy: Volume III "Adeliza, wife of Hugh de Grantmesnil, had died at Rouen seven years before, on the fifth of the ides [11th] of July… This lady was daughter of Ivo, Count de Beaumont, by Judith, her mother. She bore her husband six sons and as many daughters, whose fates were subject to the fleeting changes of human affairs." (Data from secondary evidence)