William de Fiennes 1st Baron of Fiennes
William was born about 1160. He died about 1240 in
Wendover, Buckingham, England
.
General Notes
He was a Magna Charta Baron against King John.
Children:
1. Enguerrand De FIENNES
2. Maud De FIENNES
3. Agnes De FIENNES
Details of William's family with Agnes de Dammartin