William (Robert) de Ferrers
William (Robert) was born about 1136 in Ferrers, Derby, England.  He died before October 21st, 1190 in Siege of Acre, Jerusalem, Palestine.

 Sybil de Braose
Sybil was born in 1147 in Bramber, Sussex, England.  Sybil is no longer alive.

 William II de Ferrers
William II was born in 1162 in Ferrers, Derbyshire, England.  He died at the age of 85 on September 22nd, 1247.

 Ermintrude de Ferrers
Ermintrude was born in 1163 in Berkshire, England.

 Millicent de Ferrers
Millicent was born about 1170.  She died after 1190.

 Agatha de Ferrers
Agatha was born about 1175.

 Petronella (Pernell) de Ferrers
She died after 1237.