Family: Prince of Wales Llywelyn Fawr Ap Iowerth / Tangwystyl Goch (F1522)
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Male
Prince of Wales Llywelyn Fawr Ap Iowerth
Birth 1173 Dolwyddelan, Nantconwy, Wales, United Kingdom 
Death 11 Apr 1240 Burial Marriage Other Spouse Joan Plantagenet | F1975 Marriage Father Iowerth Drwyndwn Ap Owain Mawr | F1523 Group Sheet Mother Margaret, of Powys | F1523 Group Sheet
Female
Tangwystyl Goch
Birth Death Burial Other Spouse Lord of Brynffenigl Ednyfed Fychan Ap Kendrig | F1557 Marriage Father Mother
Female
+ Gwladus, of Wales
Birth Death 1251 Burial Spouse Ralph, of Mortimer | F1521 Marriage Spouse Reginald De Braose | F1581 Marriage
Female
+ Margaret Ferch Llewelyn, of Wales
Birth 1202 Caernarfon, Caernarvon, Wales, United Kingdom Death 1263 Burial Spouse Walter, V, of Clifford | F2808 Marriage 1232 , Sussex, England, United Kingdom
Female
+ Ellen Verch, of Wales
Birth 1206 Caernarfon, Caernarvon, Wales, United Kingdom Death Chester, Cheshire, England, United Kingdom Burial Spouse Earl of Mar Donald | F1971 Marriage 1269 Kildrummy, , Aberdeen, Scotland, United Kingdom