Robert de Lacy
Robert was born about 1070 in Halton, Chestershire, England.

 Maude du Perche
Maude was born about 1074 in Pontrefact, Yorkshire, England.  Maude is no longer alive.

 Albreda de Lacy
Albreda was born about 1097 in Pontrefact, Yorkshire, England.

 Ibert II de Lacy
Ibert II was born about 1106.

 Henry de Lacy
Henry was born about 1108.