Nielsen Hayden genealogy

Descendants of Gwion Sais ap Heilin ap Llywarch ap Gwyn

Male Abt 1170 -


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Father: Heilin ap Llywarch ap Gwyn ap Tewdwr Mawr     (Abt 1100 - ??)

Gwion Sais ap Heilin ap Llywarch ap Gwyn (Abt 1170 - ??)
    └─ (Unknown daughter of Gwion Sais)  
      Owain ap Gruffudd ab Yr Arglwydd Rhys ( - 18 Jan 1236 Strata Florida Abbey, Ceredigion, Wales)
          └─ Maredudd ab Owain ap Gruffudd ab Yr Arglwydd Rhys   ( - Mar 1265 Llanbardarn Fawr, Ceredigion, Wales)
            (Unknown daughter of Thomas ap Rhodri)
                └─ Owain ap Maredudd ab Owain ap Gruffudd   (of Iscoed, Ceredigion, Wales -
                    15 Aug 1275 bur.Strata Florida Abbey, Ceredigion, Wales)  =>
                  + 
Number of people in this chart: 7 (including 2 spouses and 1 parent) in 4 generations.
Links to charts that show additional descendants: 1
Lines that wrap to another line: 3
Chart Summary