40 - 125 (85 years)
| Roman Emperor Flavius Valerius Aurelius Constantinus, Augustus | |
| B: | 27 Feb 272 |
| Yugoslavia | |
| D: | 22 May 337 |
 | Augusta Saint Helena 246-330 |
| Augusta Saint Helena | |
| B: | 246 |
| D: | 330 |
| Turkey | |
| Roman Emperor Marcus Flavius Valerius Constantius Herculius, Augustus | |
| B: | 31 Mar 250 |
| D: | 25 Jul 306 |
 | Gwrwst Ledlwm 450- |
| Gwrwst Ledlwm | |
| B: | 450 |
| England | |
| D: | Wales |
| King of Northern Britain Saint Ceneu ap Coel | |
| B: | Abt 382 |
| Yorkshire, England | |
| D: | England |
| King of the Britons Coel Croilus Hen | |
| B: | Dorset, England |
| D: | 150 |
| England | |
|
| King of Britain Saint Cyllin ap Caradoc | |
| B: | 40 |
| Wales | |
| D: | 125 |
| Princess of the Iceni Tribe Penardum verch Fendigaid | |
| B: | 17 Oct 40 |
| Glamorgan, Wales | |
| D: | 90 |
| King Cwrrig Fawr ap Ewyas | |
| B: | 180 |
| Glamorgan, Wales | |
| King of the Silures Britain Meirchion ap Owain | |
| B: | 140 |
| Llanilid, Glamorgan, Wales | |
| Queen Fawdflw verch Aminadab | |
| B: | 168 |
| Glamorgan, Wales | |
| King of the Silures Britain Owain ap Beli | |
| B: | 100 |
| Wales | |
| Queen Cartismandua of Brigantes | |
| B: | 69 |
| Bretagne, France | |
| D: | England |
We make every effort to document our research. There is a lot of information that I do not have, and I know there are mistakes in this tree. My feelings will not be hurt if you give me corrections or additional information, especially if you can provide sources for the information.
