Nielsen Hayden genealogy
Descendants of Madog ap Gruffudd Maelor ap Madog ap Maredudd ap Bleddyn
- 1236Father: Gryffydd "Maelor" ap Madog, Prince of Northern Powys (of Powys Fadog, Wales - 1191 Castle of Dinas Bran, Nanheudwy, Wales)
Mother: Angharad ferch Owain
Madog ap Gruffudd Maelor ap Madog ap Maredudd ap Bleddyn (of Powys Fadog, Wales - 1236 bur.Valle Crucis Abbey, Llantysilio, Denbighshire, Wales)
Gwladus ferch Ithel ap Rhys ab Ifor ap Hywel ap Morgan Fychan ap Morgan Hir (of Gwent, Wales - ??)
   ├─ Gruffudd ap Madoc (of Bromfield, Lower Powys, Wales -
   │ 1269 bur.Valle Crucis Abbey, Llantysilio, Denbighshire, Wales)
   │ 1269 bur.Valle Crucis Abbey, Llantysilio, Denbighshire, Wales)
   │ Emma de Audley (Abt 1218 of Heleigh in Audley, Staffordshire, England - Aft 22 Dec 1270)
   │    ├─ Margaret ferch Gruffydd ap Madog ( - Aft 1314)
   │    │ John de Arderne (1266 of Aldford, Cheshire, England - Abt 1308)(m. Bef 1299)
   │    │    └─ John de Arderne (of Elford, Staffordshire, England - Abt 1349) =>
   │    │     + Ellen de Wasteneys ( - Between 13 Jul 1349 and 23 Dec 1349)(m. Bef 1346)
   │    └─ Ankaret ferch Gruffudd (Abt 1248 - Aft 22 Jun 1308)
   │     William le Boteler (of Wem, Shropshire, England - Bef 11 Dec 1283)(m. Aft 2 Oct 1261)
   │     :   │ + Gilbert Talbot (18 Oct 1276 - 24 Feb 1346 Eccleswall, Gloucestershire, England)(m. Bef 1306)
   │     :   └─ William le Boteler (11 Jun 1274 of Wem, Shropshire, England - Bef 14 Sep 1334) =>
   │     :    + Beatrice ( - Aft 1305)(m. Bef 1298)
   │     :    + Ela de Herdeburgh ( - Aft 5 Jul 1343)(m. Bef 1310)
   │     Robert de Neville (of Scotton, Lincolnshire, England - Between 1313 and 1314)(m. Aft 10 Jun 1285)
   │         + Robert fitz Ralph (Abt 1277 of Greystoke, Penrith, Cumberland, England -
   │         Bef 15 Apr 1317 bur.Butterwick, Yorkshire, England)(m. Bef 1299)
   │         Bef 15 Apr 1317 bur.Butterwick, Yorkshire, England)(m. Bef 1299)
   └─ Maredudd ap Madog
   
       └─ Angharad ferch Maredudd
        Llywelyn ap Gruffudd ap Cadwgan ap Meilir Eutun (Abt 1230 - ??)
            + Iorwerth ap Madog ap Gruffudd ab Owain Brogyntyn