William de Fiennes
was born at Bucks, England Abt 1160.
His parents were Ingelram de Fines and Sibyl de Boulogne.
He married Agnes de Dammartin
Agnes de Dammartin
was born at Bucks, England Abt 1166
daughter of Aubrey (Alberic) II Dammartin and Mathilda (Maud, Mahaut) Ponthieu
They were the parents of 1
Enguerrand Ingelram de Fiennes
born Abt 1192.
William de Fiennes died 1240/41 .