William (The Breton) D'Aubigny

William, known as The Breton, was born in 1070 in Aubigny-sur-Nere, Normandy, France. He died at the age of 85 in 1155 in England.

General Notes
- He was an itinerant justice under King Henry I of England. He was commonly known under the appellation Brito. He fought at the Battle of Tinchebray and acquired the honor of Belvoir, which became the center of the family estates, as marriage portion from his wife, Cecily, daughter of Roger Bigod.