Seisyll
This page contains an index of all the individuals in the database with the surname of Seisyll. Selecting the person’s name will take you to that person’s individual page.
| Given Name | Birth | Death | Partner | Parents |
|---|---|---|---|---|
| Arthen | verch Kedivor, Morfyl | |||
| Llywelyn , King of Gwynnedd | 1023 | verch Maredudd, Angharad | , Seisyll |