man Guillaume III Duke von Alencon‏‎, son of Robert II von Alencon and Agnes Countess von Ponthieu‏.
Born ‎± ABT. 1055 at Of, ALENCON, Orne, France, died ‎ 1172‎

Married ‎estimated EST. WFT, 1071-1103 (approximately 69 years married) to:

woman Alice (Helia) Countess von Burgund‏‎
Born ‎± ABT. 1055 at Of, Bourgogne, France, died ‎ 1191‎

Child:

1.
man Guy II Count von Ponthieu, Count of Ponthieu‏
Born ‎± ABT. 1090 at Of, PONTHIEU, France, died ‎ 1147‎, approximately 57 years