Nielsen Hayden genealogy
Descendants of Ilbert de Lacy
- Abt 1093Mother: Emma
Ilbert de Lacy ( - Abt 1093 Pontefract, Yorkshire, England)
   └─ Robert de Lacy (of Pontefract, Yorkshire, England - Bef 1129)
    Maud ( - Aft 1154)
       └─ Aubrey de Lacy (of Pontefract, Yorkshire, England - ??)
        Robert de Lisours
            + Robert fitz Eustace ( - Bef 1163)
            + William Fitz Godric (m. Abt 1169)