Walkelin de Ferrers
Walkelin was born in 1010 in Ferrieres, Normandy, France.  He died at the age of 79 in 1089 in Normandy, France.

 Henri de Ferrers
Henri was born in 1036 in Ferrieres, Normandy, France.  He died at the age of 52 in 1088 in Castle Tutbury, Staffordshire, England.  He was buried in Tutbury, Staffordshire, England.

 William de Ferrers
William was born about 1036.  He died before 1086.