See also
| Partner: | Seisyll ap GWRWST ( -720) | |
| Partner: | (unknown) | |
| Children: | Antonius ap SEISYLL ( - ) | |
| Name: | Seisyll ap GWRWST | |
| Sex: | Male | |
| Father: | Gwrwst ap RHIWALLON ( - ) | |
| Mother: | - | |
| Occupation | King In Britain | |
| Death | 0720 B.C. | |
| Name: | Antonius ap SEISYLL | |
| Sex: | Male | |
| Occupation | King of Cornwall | |