William D'Aubigny Viscount de CÙntentin

William D'Aubigny Viscount was born in 1020 in Aubigny, Normandy, France.  William D'Aubigny Viscount's father was Neil de St. Sauveur Viscount de St. Sauveur and his mother was Adele Adela De Eu.  His paternal grandfather was Roger De St. Sauveur. He had a brother and a sister, named Niel II De and M..  He was the second oldest of the three children.

They had a son and a daughter, named Roger and Aimee.