Family: Llywelyn ap Seisyllt / Angharad verch Maredudd (fam05349)
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Male
Llywelyn ap Seisyllt
Birth 0980 Rhuddlan, Flintshire, Wales 
Death 1023 Burial Marriage Father Prince Prince Seisyll ap Ednowain de Deheubarth | fam05350 Group Sheet Mother Prawst verch Elise | fam05350 Group Sheet
Female
Angharad verch Maredudd
Birth 0982 Rhuddlan, Wales Death Yes, date unknown Burial Other Spouse Cynfyn ap Gwerystan | fam01906 Marriage 1023 Father Maredydd ap Owain | fam05220 Group Sheet Mother // | fam05220 Group Sheet
Male
Gruffudd ap Llewellen
Birth 1000 Rhuddlan, Flintshire, Wales Death 05 Aug 1063 Burial Spouse Aeldgyth of Mercia | fam02237 Marriage