Nielsen Hayden genealogy
Descendants of Arddun ferch Llywelyn ab Owain ab Aldud ab Owain ab Edwin
Father: 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)
           └─ Ithel Fychan ab Ithel Gam ap Hen Ithel Gam ap Maredudd (Abt 1230 - ??) =>
            + Adles ferch Richard ap Cadwaladr ap Gruffudd ap Cynan