Lord William (Brito) d'Aubigny of Belvoir
William, known as Brito, was born about 1085 in St Aubin d'Aubigne, Ille-et-Vilaine, St Malo, Bretagne, France.  He died before 1156 in Belvoir Castle, Belvoir, Leicestershire, England.  He was buried in Belvoir, Leicestershire, England.

 Heiress Cecily Bigod of Belvoir
Cecily was born about 1090 in Belvoir Castle, Belvoir, Leicestershire, England.

 Ralph de Aubigny I
Ralph was born in Belvoir Castle, Belvoir, Leicestershire, England.  He died in 1191 in Acre, Palestine.