320-Yes, date unknown
| Maximian Constans, of Brita | |
| B: | 320 |
| D: | Yes, date unknown |
288-337
| Emperor of Rome Constantine, I | |
| B: | 27 Feb 288 |
| Naissus, Serbia | |
| D: | 22 May 337 |
| Macromedia, Bithynia, Turkey | |
248-328
| Helena, of Colchester | |
| B: | 248 |
| D: | 328 |
| Emperor of Rome Flavius Valerius Constantius | |
| B: | 250 |
| D: | 25 Jul 306 |
|
205-Yes, date unknown
| Strada Ferch Cadfan, of Cumbria | |
| B: | 205 |
| D: | Yes, date unknown |
205-Yes, date unknown
| King of Colchester Coilus Coel, II | |
| B: | 205 |
| D: | Yes, date unknown |