Guillaume married Sibilla (Sibyl) (Sybil) Anjou, [COUNTESS OF FLA in 1123, and was divorced. Sibilla (daughter of Foulques V "le Anjou King Of Je, USALEM and Ermengarde (Ermentrude) Du Maine, [Countess of Anj) was born about 1105 in Of, , ANJOU, France; died in 1165/1167. [Group Sheet] [Family Chart]