William I DE FERRERS
William I DE was born about 1136 in England.  He died in 1190 in Battle of Acre.

 Sybil DE BRAOSE
Sybil DE was born about 1145 in Bramber, England.  She died after 1228.

 William II DE FERRERS
William II DE was born about 1162 in England.  He died on September 22nd, 1247.