Guillaume III Duke d' Alencon, Count of Ponthieu & Montreuil
Birth:
Abt 1055
of Alencon, Orne, France
Death:
1172
FCID:9900:6925
Parents
Father:
Robert II de Alencon
Mother:
Agnes Countess of Ponthieu, Countess of Shrewsbury
Marriage(s)
Alice (Helia) Countess of Burgundy, Duchess of Alencon
md.
Children