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

Male Guillaume Ier De Béthune Click to view Guillaume Ier De Béthune in the family tree

Guillaume Ier was born in 1100.  Guillaume Ier's father was Robert IV Le Gros De Béthune and his mother was Alix De Péronne.  His paternal grandfather was Robert III Le Chauve De Béthune.  He was an only child.  He died at the age of 44 in 1144.


Guillaume Ier's family with Clémence D'oisy

‌Guillaume Ier and Clémence were married in a religious ceremony in 1129.  They had a son named Robert V Le Roux.

Page last modified