Nielsen Hayden genealogy
Descendants of Einudd ap Morien ap Morgeneu ab Elystan ap Gwaithfoed
Abt 1070 -
Einudd ap Morien ap Morgeneu ab Elystan ap Gwaithfoed
(Abt 1070 of Dyffryn Clwdd, Denbighshire, Wales - ??)
   ├─ Hunydd ferch Einudd
   │ Maredudd ap Bleddyn ap Cynfyn (of Powys, Wales - 1132)
   │    ├─ Madog ap Maredudd, Prince of Powys Fadog ( - 1160 Winchester, Hampshire, England)
   │    │ Susanna ferch Gruffydd ap Cynan
   │    │ :   └─ Gryffydd "Maelor" ap Madog, Prince of Northern Powys (of Powys Fadog, Wales -
   │    │ :    1191 Castle of Dinas Bran, Nanheudwy, Wales) =>
   │    │ :    1191 Castle of Dinas Bran, Nanheudwy, Wales) =>
   │    │ :    + Angharad ferch Owain
   │    │ (Unknown wife or mistress of Madog ap Maredudd)
   │    │    │ + Rhys ap Gruffydd, King of Deheubarth (Abt 1132 -
   │    │    │ 24 Apr 1197 bur.St Davids Cathedral, St. Davids, Pembrokeshire, Wales)
   │    │    │ 24 Apr 1197 bur.St Davids Cathedral, St. Davids, Pembrokeshire, Wales)
   │    │    ├─ Owain Brogyntyn ap Madog ap Maredudd ap Bleddyn, King of Powys =>
   │    │    │ + Margred ferch Einion ap Seissyll
   │    │     + Iorwerth Drwyndwn ap Owain Gwynedd ( - Abt 1174)
   │    └─ Gruffudd ap Maredudd
   │     Gwerful ferch Gwrgeneu
   │        └─ Owain Cyfeiliog ap Gruffudd ap Maredudd ap Bleddyn ap Cynfyn (Abt 1130 -
   │         1197 Monastery of Strata Marcella, Welshpool, Montgomeryshire, Wales) =>
   │         1197 Monastery of Strata Marcella, Welshpool, Montgomeryshire, Wales) =>
   │         + Gwenllian ferch Owain
   └─ Ithel ab Einudd ap Morien ap Morgeneu (Abt 1100 - ??)
    Gwenllian ferch Rhys ap Llywelyn Eurdorchog
       ├─ Jonet ferch Ithel ab Einudd
       │ Maredudd ab Uchtrud ab Edwin ap Gronwy (Abt 1100 - ??)
       │    └─ Hen Ithel Gam ap Maredudd ab Uchtrud ab Edwin (Abt 1130 - ??) =>
       │     +
       └─ Trahaearn ab Ithel ab Einudd ap Morien
       
            +