William I Alencon
William I was born before 0963 in Alençon, Orne, Basse-Normandie, France.¹   He died in 1038 in Domfront, Orne, Basse-Normandie, France.¹ 

 Maud De Conde Sur Noirau
Maud was born in Ganelon, , , France.²   She died in 1024 in , , , France.² 

 Warin Seigneur De Montagne
Warin Seigneur was born in Domfront, Orne, Normandy, France.²   He died in 1026 in Domfront, , Normandy, France.²