William Devereux
William was born in 1019 in Rosmar, , Normandy, France.¹   He died at the age of 47 in 1066 in Roamer, , Normandy, France.¹ 

 Halewyse De Lacy
Halewyse was born in 1012 in Rouen.¹   She died in , , , France.¹ 

 Walter De Ewrus
Walter was born in 1033 in Rosmar, , N, France.¹   He died at the age of 33 in 1066 in Salisbury, Wiltshire, , England.¹