William Ferrers V Earl of Derby
William Ferrers V Earl of was born in 1140 in Ferrers, Derbyshire, England.  He died at the age of 49 on December 31st, 1189 in Normandy, France.

 Sybil De Braose
Sybil was born in 1153 in Bramber, Sussex, England.  She died at the age of 75 in 1228.

 William De Ferrers VI Earl of Derby
William De Ferrers VI Earl of was born in 1170 in Ferrers, Derbyshire, England.  He died at the age of 77 on September 22nd, 1247.

 Agatha De Ferrers
Agatha was born in 1172.

 Henry De Ferrers
Henry was born in 1176.