Bleddyn Ap Cynfyn
Abt 1025 - 1075 (50 years)(
= Descendancy chart to this point, 
= Expand, 
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- 1 Bleddyn Ap Cynfyn [1] b. Abt 1025 d. 1075
- + Mrs-Bleddyn Ap Cynfyn
- + Miss Verch Brochwel
- Haer Verch Cillin b. Abt 1025
- 2 Maredudd Ap Bleddyn [1.1] b. Abt 1047 d. 1124/1129
- + Cristin Verch Bledrus
- Hunydd Verch Einudd b. Abt 1063
- 3 Cadwgon Ap Maredudd [1.1.1] b. Abt 1081 d. 1163
- 3 Madog Ap Maredydd [1.1.2] b. Abt 1091 d. 1160
- + Efa Verch Eirian
- + Miss Verch Maer
- + Arianwen Verch Moriddig
- Susanna Verch Gruffydd b. Abt 1095
- 4 Llewelyn Ap Madog [1.1.2.1] b. Abt 1123 d. 1160
- 4 Elise Ap Madog [1.1.2.2] b. Abt 1127
- 4 Margred Verch Madog [1.1.2.3] b. Abt 1129
[ =>]
- 4 Efa Verch Madog [1.1.2.4] b. Abt 1133
- 4 Owain Ap Madog [1.1.2.5] b. Abt 1136
- 4 Gruffydd "Maelor" Ap Madog [1.1.2.6] b. Abt 1121 d. 1191
- 4 Owain "Fychan" Ap Madog [1.1.2.7] b. Abt 1125 d. 1186
- 4 Iorwerth Ap Madog [1.1.2.8] b. Abt 1134
- 4 Miss Verch Madog [1.1.2.9] b. Abt 1137
- 4 Gwenllian Verch Madog [1.1.2.10] b. Abt 1131
- 4 Llewelyn Ap Madog [1.1.2.1]
- + Efa Verch Eirian
- 3 Gruffudd Ap Maredudd [1.1.3] b. Abt 1093 d. 1128
- 3 Dyddgu Verch Maredudd [1.1.4] b. Abt 1100
- + Cadwaladr Ap Gruffudd b. Abt 1096 d. Mar 1172
- + Cadwaladr Ap Gruffudd b. Abt 1096 d. Mar 1172
- 3 Hywel Ap Maredudd [1.1.5] b. Abt 1111
- + Cristin Verch Gronwy b. Abt 1115
- + Cristin Verch Gronwy b. Abt 1115
- 3 Cadwgon Ap Maredudd [1.1.1]
- + Cristin Verch Bledrus
- 2 Maredudd Ap Bleddyn [1.1]
- + Mrs-Bleddyn Ap Cynfyn