Ibert De Lacy 
Ibert De was born about 1040 in Pontefract, Yorkshire, England. Ibert De's father is Hugh De+ Lacy and his mother is Emma Du Bois L' Eveque. He had a brother named Walter De+. He was the older of the two children. He died about 1093.General Notes
Acceded: Pontefract, Yorkshire
SOURCES: LDS FHL Ancestal File # 924S-D7
"Ancestors/Descendants of Royal Lines" (Contributors: Manuel Abranches de Soveral, Reynaud de Paysac, F.L. Jacquier <Genealogy of Lewis Carroll, Justin Swanstrom, The Royal Families of England Scotland & Wales by Burkes Peerage; Debrett's Peerage & Baronage; Table of descendants French Canadian Genealogical Society>, H.R. Moser <Burke Peerage>, L. Orlandini, O.Guionneau, L.B. de Rouge, E. Polti, A.Terlinden <Genealogy of the existing British Peerage, 1842>, L. Gustavsson, C. Cheneaux, E. Lodge, S. Bontron <Brian Tompsett>, R. Dewkinandan, C. Donadello) http://geneastar.org.
They had a son named Ingelram De+.