Cynog Mawr ap Iowerth
810 - Yes, date unknownDrag or scroll to see more of the chart.
| Llewelyn Iorwerth, King Of North Wales | |
| B: | 11 Nov 1173 |
| Caervonshire, Wales | |
| D: | 11 Apr 1240 |
| Yorkshire, England | |
| Joan Fitzjohn, Princess Of North Wales Of England | |
| B: | Bef 1189 |
| Middlesex, England | |
| M: | 23 Mar 1204 |
| D: | 2 Feb 1237 |
| Yorkshire, England | |
Unknown
| Iorwerth ab Owain | |
| B: | Abt 1130 |
| Yorkshire, England | |
| D: | 1174 |
| Yorkshire, England | |
| Margred ferch Madog | |
| B: | Abt 1130 |
| Yorkshire, England | |
| M: | 1163 |
| Yorkshire, England | |
| D: | Abt 1201 |
| Gwynedd, Wales | |
| Gwladys ferch Llywarch | |
| B: | 1098 |
| Yorkshire, England | |
| D: | 1155 |
| Yorkshire, England | |
| Owain ap Gruffydd, King of Gwynedd | |
| B: | Abt 1100 |
| Yorkshire, England | |
| D: | 23 Nov 1170 |
| Yorkshire, England | |
| Llywarch ap Trahaearn | |
| B: | 1070 |
| Powys, Wales | |
| D: | Aft 1124 |
| Yorkshire, England | |
| Dyddgu ferch Iorwerth | |
| B: | 1060 |
| Yorkshire, England | |
| D: | 1124 |
| Trahaearn ap Caradog | |
| B: | 1044 |
| Powys, Wales | |
| D: | 1080 |
| Nest ferch Gruffudd | |
| B: | 1050 |
| Yorkshire, England | |
| M: | 1063 |
| D: | Yes, date unknown |
| Caradog ap Gwyn | |
| B: | 1000 |
| Yorkshire, England | |
| D: | 1044 |
| Yorkshire, England | |
| Iorwerth ab Owain | |
| B: | Abt 1130 |
| Yorkshire, England | |
| D: | 1174 |
| Yorkshire, England | |
| Margred ferch Madog | |
| B: | Abt 1130 |
| Yorkshire, England | |
| M: | 1163 |
| Yorkshire, England | |
| D: | Abt 1201 |
| Gwynedd, Wales | |
| Gwladys ferch Llywarch | |
| B: | 1098 |
| Yorkshire, England | |
| D: | 1155 |
| Yorkshire, England | |
| Owain ap Gruffydd, King of Gwynedd | |
| B: | Abt 1100 |
| Yorkshire, England | |
| D: | 23 Nov 1170 |
| Yorkshire, England | |
| Dyddgu ferch Iorwerth | |
| B: | 1060 |
| Yorkshire, England | |
| D: | 1124 |
| Llywarch ap Trahaearn | |
| B: | 1070 |
| Powys, Wales | |
| D: | Aft 1124 |
| Yorkshire, England | |
| Iorwerth ap Cadwgon, Lord of Cedewain | |
| B: | Abt 1040 |
| Powys, Wales | |
| D: | Cedwain, Kingdom of Powys |
| Efa ferch Gwrgan | |
| B: | Abt 1035 |
| D: | Yes, date unknown |
| Cadwgon ap Elystan Glodrydd | |
| B: | Abt 1015 |
| Yorkshire, England | |
| D: | Aft 1067 |
| Nest ferch Gwyn | |
| B: | Abt 1015 |
| Yorkshire, England | |
| D: | Yorkshire, England |
| Gwrgan ab Ithel | |
| B: | Abt 1000 |
| D: | Abt 1070 |
| Gwyn ap Collwyn | |
| B: | 975 |
| Yorkshire, England | |
| D: | Yorkshire, England |
| Collwyn ab Ednywain | |
| B: | 950 |
| Yorkshire, England | |
| D: | 1041 |
| Ednywain ap Bleddyn | |
| B: | Abt 920 |
| Yorkshire, England | |
| D: | Yes, date unknown |
| Bleddyn ap Bledrys | |
| B: | Abt 890 |
| Yorkshire, England | |
| D: | Yes, date unknown |
| Bledrys ap Cynog | |
| B: | Abt 850 |
| Yorkshire, England | |
| D: | Yes, date unknown |
|
| Cynog Mawr ap Iowerth | |
| B: | 810 |
| Yorkshire, England | |
| D: | Yes, date unknown |