+ William De St Martin
+ William De St was born in 1010 in Normandy, , , France.¹   He died at the age of 43 in 1053.¹ 

 + Maude De Burgh
+ Maude was born in 1015 in Normandy, France.¹ 

 Geoffrey Demandeville
Geoffrey was born in 1036 in of Rycott, Oxfordshire, , England.¹   He died at the age of 49 in 1085 in Westminster, Middlesex, , England.¹