Robert De Lacy
Robert was born about 1070 in Halton, Cheshire, England.  He died in Pontefact, Yorkshire, England.

 Matilda De Perche
Matilda was born in 1074 in Pontefact, Yorkshire, England.  She died at the age of 81 in 1155.

 Henry De Lacy
Henry was born about 1095 in Pontefact, Yorkshire, England.

 Albreda De Lacy
Albreda was born in 1097 in Pontefact, Yorkshire, England.

 Ilbert De Lacy
Ilbert was born about 1100.