Owain ap Maredudd ab Owain ap Gruffudd

ab Owain ap Gruffudd ab Yr Arglwydd Rhys Side

• ab Owain ap Gruffudd ab Yr Arglwydd Rhys, Maredudd - 1265

• ap Gruffudd ab Yr Arglwydd Rhys, Owain - 1236
• (Unknown daughter of Gwion Sais)

• ab Yr Arglwydd Rhys, Gruffudd - 1201
• de Briouze, Matilda - 1210
• ap Heilin ap Llywarch ap Gwyn, Gwion Sais Abt 1170 -

• ap Gruffydd, Rhys King of Deheubarth Abt 1132 - 1197  (~ 65 years)
• ferch Madog, Gwenllian - 1160
• de Briouze, William - 1211
• de St. Valéry, Maud Abt 1150 - 1210  (~ 60 years)
• ap Llywarch ap Gwyn ap Tewdwr Mawr, Heilin Abt 1100 -

• ap Rhys, Gruffydd Abt 1090 - 1137  (~ 47 years)
• ferch Gruffudd, Gwenllian - 1136
• ap Maredudd, Madog Prince of Powys Fadog - 1160
• (Unknown wife or mistress of Madog ap Maredudd)
• de Briouze, William Abt 1100 - Abt 1180  (~ 80 years)
• of Hereford, Bertha
• de St. Valéry, Bernard - 1190
• Matilda - Abt 1151
• ap Gwyn ap Tewdwr Mawr ap Cadell, Llywarch Abt 1070 -

Maternal Side

• (Unknown daughter of Thomas ap Rhodri)

• ap Rhodri ab Owain Gwynned, Thomas Abt 1170 -
• ferch Einion ap Seisyll, Margred

• ab Owain Gwynned, Rhodri - 1195
• ap Seisyll, Einion Abt 1170 -
• ferch Madog, Nest

• Gwynedd, Owain King of Gwynedd - 1169
• ferch Gronwy ab Owain ab Edwin, Cristin
• Seisyll Abt 1130 -
• ferch Bradwen, Isabel
• ap Cadwgon ap Madog ap Cadwgon, Madog Abt 1170 -
• ferch Madog ap Philip ab Uchtrud, Efa

• ap Cynan ab Iago, Gruffydd King of Gwynedd Abt 1055 - 1137  (~ 82 years)
• ferch Owain, Angharad - 1162
• ab Owain ab Edwin, Gronwy Abt 1070 -
• ferch Hoedlyw ab Ithel an Edryd ab Inethan ab Iasedd ap Carwed ap Marchudd ap Cynan, Genilles
• ap Madog ap Cadwgon ap Bleddyn, Cadwgon
• ferch Owain Gwynedd, Gwenllian