Hugh de Lacy
Hugh was born in 1018 in Laci, France.²   He died at the age of 32 in January 1050 in Burrow, Ireland.² 

 Emma de Bois
Emma was born in 1022 in Bois Leveque, Normandy, France.²   She died at the age of 52 in 1074 in France.² 

 Walter de Lacy
Walter was born in 1040 in Lassy, Calvados, Normandy, France.¹   He died at the age of 44 in April 1084.¹ 

 Ilbert de Lacy
Ilbert was born in 1045 in Normandy, France.³   He died at the age of 48 in 1093.³