Nielsen Hayden genealogy
Family: Gruffudd ab Yr Arglwydd Rhys / Matilda de Briouze (F15929)
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Male
Gruffudd ab Yr Arglwydd Rhys
Birth Death 25 Jul 1201 Strata Florida Abbey, Ceredigion, Wales Burial Strata Florida Abbey, Ceredigion, Wales Marriage Father Rhys ap Gruffydd, King of Deheubarth | F15911 Group Sheet Mother Gwenllian ferch Madog | F15911 Group Sheet
Female
Matilda de Briouze
Birth Death 29 Dec 1210 Llanbardarn Fawr, Ceredigion, Wales Burial Strata Florida Abbey, Ceredigion, Wales Father William de Briouze | F2352 Group Sheet Mother Maud de St. Valéry | F2352 Group Sheet
Male
+ Owain ap Gruffudd ab Yr Arglwydd Rhys
Birth Death 18 Jan 1236 Strata Florida Abbey, Ceredigion, Wales Burial Strata Florida Abbey, Ceredigion, Wales Spouse (Unknown daughter of Gwion Sais) | F15928 Marriage