, Seisyll
| Birth Name | Seisyll |
| Gender | male |
Families
Family of , Seisyll |
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| Children | ||||||||
| Name | Birth Date | Death Date |
|---|---|---|
| ap Seisyll, Llywelyn King of Gwynnedd | 1023 |
Pedigree
-
- , Seisyll
| Birth Name | Seisyll |
| Gender | male |
Family of , Seisyll |
||||||||
| Children | ||||||||
| Name | Birth Date | Death Date |
|---|---|---|
| ap Seisyll, Llywelyn King of Gwynnedd | 1023 |