William I D' ALENCON
William I was born about 0965 in Normandy, France.  He died in 1038.

 Maud (Matilde) de CHATEAUDUN
Maud (Matilde) de was born about 0969.  Maud (Matilde) de is no longer alive.

 William d'Alencon of TALVAS
William d'Alencon of was born about 0995 in Belleme, Perche, France.  He died in 1048.