Sibyl Marshal

F, ( - 1280)
Father-Biological*Sir William the Marshal b. 1146, d. 14 May 1219
Mother-Biological*Isabel de Clare b. c 1174, d. 1220
Family Lines
Boudreau Line
Last Edited=23 Mar 2022
     Sibyl Marshal was the daughter of Sir William the Marshal and Isabel de Clare.

Sibyl Marshal married William de Ferrers Earl of Derby, son of William de Ferrers and Agnes de Keveliock, before 14 May 1219. Sibyl Marshal died in 1280.

Child of Sibyl Marshal and William de Ferrers Earl of Derby