Family: Cadwgon ap Elystan Glodrydd / Efa ferch Gwrgan (F5099)
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Male
Cadwgon ap Elystan Glodrydd
Birth Abt 1015 Yorkshire, England 
Death Aft 1067 Burial Marriage Father Elystan Glodrydd ap Cuhelyn | F5100 Group Sheet Mother Gwladys ferch Rhun | F5100 Group Sheet
Female
Efa ferch Gwrgan
Birth Abt 1035 Death Yes, date unknown Burial Father Gwrgan ab Ithel | F5066 Group Sheet Mother Nest ferch Gwyn | F5066 Group Sheet
Male
+ Iorwerth ap Cadwgon, Lord of Cedewain
Birth Abt 1040 Powys, Wales Death Cedwain, Kingdom of Powys Burial