Family: Hywel ap Trahaearn / Gwenllian ferch Gruffudd (fam10916)
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Male
Hywel ap Trahaearn
Birth 1169 Llan-Gors, Talgarth, Breconshire, Wales 
Death Yes, date unknown Burial Marriage Father Trahaearn ap Gwrgan | fam10917 Group Sheet Mother Gwenllian verch Rhys | fam10917 Group Sheet
Female
Gwenllian ferch Gruffudd
Birth 1178 Cedweli, Carmarthenshire, Wales Death Yes, date unknown Burial Father Gruffydd ap Llewelyn | fam10932 Group Sheet Mother // | fam10932 Group Sheet
Male
Cadwgon ap Hywel
Birth 1202 Llan-Gors, Talgarth, Breconshire, Wales Death Yes, date unknown Burial Spouse Elizabeth Basson | fam10915 Marriage
Female
Gwenllian verch Hwyel
Birth 1206 Llan-Gors, Talgarth, Breconshire, Wales Death Yes, date unknown Burial