Thurston de Montfort
Thurston was born about 1134 in Montfort, Eure, Normandy, France.  He died about 1180 in Beaudefert Castle, Warwickshire, England.

 Julian Murdac
Julian was born about 1138.  Julian is no longer alive.

 Robert de Montfort
Robert was born about 1158.

 Henry de Montfort
Henry was born about 1160 in Beaudefert Castle, Warwickshire, England.  He died in 1199.