Nielsen Hayden genealogy
Descendants of Llywelyn ab Owain ab Aldud ab Owain
Abt 1130 -Father: Owain ab Aldud ab Owain ab Edwin (Abt 1100 of Holywell, Flintshire, Wales - ??)
Llywelyn ab Owain ab Aldud ab Owain (Abt 1130 - ??)
   └─ Arddun ferch Llywelyn ab Owain ab Aldud ab Owain ab Edwin
    Iorwerth ap Madog ap Ednywain Bendew II ap Cynon (Abt 1170 - ??)
       └─ Rhirid ab Iorwerth ap Madog ap Ednywain Bendew II (Abt 1200 - ??)
        (Unknown) de Pulford
           └─ Tibod ferch Rhirid ab Iorwerth ap Madog ap Ednywain Bendew II =>
            + Ithel Gam ap Hen Ithel Gam ap Maredudd ab Uchtrud ( - Aft 1237)