Nielsen Hayden genealogy
Descendants of Agnes fitz Ranulf
Father: Ranulf fitz Walter
Mother: Maud de Langetot
Agnes fitz Ranulf
Robert de Vaux (of Pentney, Norfolk, England - ??)
   └─ William de Vaux (of Pentney, Norfolk, England - Aft 1150)
   
       └─ Robert de Vaux (of Pentney, Norfolk, England - Aft 1190)
       
           └─ Oliver de Vaux (of Pentney, Norfolk, England - Between 1235 and 1244) =>
            + Pernel de Craon (of Frieston, Lincolnshire, England - Between 1259 and 1262)(m. Aft 1210)