Click to expand/collapse all notes Click to expand/collapse all other details

Male Guillaume I De+ Dampierre Click to view Guillaume I De+ Dampierre in the family tree

Guillaume I De+ was born about 1124.  Guillaume I De+'s father was Guy I De+ Dampierre and his mother was Helvide De+ Baudement.  His paternal grandfather was Thibault De+ Dampierre and his paternal grandmother is Isabeau De+ Montlhery; his maternal grandparents are Andre De+ Baudement and Agnaes+ X. He had a sister named Helvide De+.  He was the older of the two children.  He died before 1162.


Guillaume I De+'s family with Irmengarde De+ Monchy

They had a son and three daughters, named Guy De+, Elizabeth De, Helvide De+ and Odette De.


\