3rd Earl/ Walkelin Of Derby DE FERRERS
Walkelin Of Derby was born in 1010 in Tutbury Castle.  He died at the age of 180 in 1190 in A joust with Hugh DE montfort prior to the conquest and both men died..

 Sibyl DE BRAIOSE
Sibyl was born in 1150.  She died after 1227.

 4th Earl William Of Derby And Ferrers DE FERRERS
William Of Derby And Ferrers was born in 1162 in Ferrers, Derbyshire.  He died at the age of 85 on September 22nd, 1247.

 Agatha DE FERRERS
Agatha was born in 1168.

 Millicent DE FERRERS
Millicent was born in 1170.

 Petronilla FERRERS