Gilbert De Lacy
Gilbert was born about 1041 in Laci, Vire, Normandy, France.  He died in 1093 in Pontefact, Yorkshire, England.

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

 Hugh De Lacy
Hugh was born about 1072.