Lord Jean Of Tonsburgh DE CONTEVILLE

Jean Of Tonsburgh was born in 0959.  Jean Of Tonsburgh's father was Count Baldwin III OF FLANDERS and his mother was Mathilda OF BURGUNDY.  His paternal grandparents were Count Arnold I "The Great" OF FLANDERS and Adele DE VERMANDOIS; his maternal grandparents were King Conrad III OF BURGUNDY and Princess Matilde OF FRANCE. He had a brother and a sister, named Arnold II The Young Count and Bertha.  He was the oldest of the three children.

He had two biological sons and a biological daughter, named Herluin DE BURGH, Eustache Of Tonburgh and Oda.