Nielsen Hayden genealogy
Descendants of Robert de Morteyn
- Bef 1176
Robert de Morteyn
( - Bef 1176)
   └─ Adam de Morteyn ( - Aft 1180)
   
       └─ Eustace de Morteyn (Abt 1160 of Cossale, Nottinghamshire, England - Bef 1 Mar 1223)
        Hillaria ( - Aft 8 Jul 1216)
           └─ Eustace de Morteyn (Abt 1190 of Tilsworth, Bedfordshire, England - Bef 20 Feb 1233) =>
            + (Unknown daughter of Richard Silveyn) (of Donnesby, Lincolnshire, England - ??)