Nielsen Hayden genealogy
Descendants of Gruffydd ap Llywelyn, King of Wales
- 1064Father: Llywelyn ap Seisyll, King of Deheubarth (Abt 980 - 1023)
Mother: Angharad ferch Maredudd
Gruffydd ap Llywelyn, King of Wales ( - 5 Aug 1064 Ireland)
Ealdgyth of Mercia, Queen Consort of England ( - Aft 1066)(m. Abt 1057)
   └─ Nest ferch Gruffydd (Between 1055 and 1057 - ??)
    Osbern fitz Richard (of Richard's Castle, Herefordshire, England - Aft 1086)
       ├─ Nest ferch Osbern
       │ Bernard de NeufmarchĂ© (of Neuf-Marche, Normandy, France - 1093)(m. Between 1086 and 1088)
       │    └─ Sibyl de NeufmarchĂ© (of Brecon, Breconshire, Wales -
       │     ?? bur.Llanthony Priory, outside Gloucester, Gloucestershire, England) =>
       │     ?? bur.Llanthony Priory, outside Gloucester, Gloucestershire, England) =>
       │     + Miles of Gloucester (Abt 1100 -
       │     24 Dec 1143 bur.Llanthony Priory, outside Gloucester, Gloucestershire, England)(m. 1121)
       │     24 Dec 1143 bur.Llanthony Priory, outside Gloucester, Gloucestershire, England)(m. 1121)
       └─ Hugh fitz Osbern (of Richard's Castle, Herefordshire, England - 1140)
        Eustacia de Say
           └─ Hugh de Say (of Richard's Castle, Herefordshire, England - Bef 29 Sep 1190) =>
            + Lucy de Clifford (of Clifford, Herefordshire, England - ??)