William de [Earl of Derby] FERRIERES
He married Sybil de Braose Abt 1173/74 at of Sussex, England . Sybil de Braose was born at of Bramber, Sussex, England Abt 1157 daughter of William de Braose and Bertha de Gloucester .
They were the parents of 8
children:
William de [Earl of Derby] Ferrers
born Abt 1162.
Elizabeth de Ferrers
born Abt 1166.
Agatha de Ferrers
born Abt 1168.
Son de Ferrers
born 1168.
Son de Ferrers
born 1170.
Millicent de Ferrers
born Abt 1170.
Son de Ferrers
born 1172.
Robert Ferrers
born Abt 1177.
William de [Earl of Derby] Ferrieres died Aft 31 Dec 1189 .
Sybil de Braose died Aft 5 Feb 1227/28 at England .