Cecilia of Normandy was a French abbess, thought to be the eldest daughter of William the Conqueror and Matilda of Flanders. Wikipedia
Born: 1056, Normandy, France
Died: July 30, 1126 (age 70 years), Caen, France
Great-grandparents: Richard II, Duke of Normandy, Robert II of France, Judith of Brittany, and more
Siblings: Henry I of England
Parents: William I the Conqueror and Matilda of Flanders
Place of burial: The Abbey of Sainte-Trinité, Caen, France