William I de FERRERS
William I de was born about 1140 in Oakham, Rutlandshire, England.  He died after December 31st, 1189 in Seige of Acre, Palestine.

 Sybil de BRAOSE
Sybil de was born about 1157 in Bramber, Sussex, England.  She died in England.

 William II de FERRERS
William II de was born about 1172 in Ferrers, Derbyshire,  England.  He died on September 22nd, 1247.