| Additional Names | Name |
|---|---|
| Nickname | Geraint Llyngesog The Fleet Owner |
| Father | Date of Birth | Mother | Date of Birth |
|---|---|---|---|
King of Dumnonia Erbin Ap Constantine |
abt 427 |
| Partner | Date of Birth | Children |
|---|---|---|
Gwyar Verch Amlawdd |
abt 0466 | King of Dumnonia Cadwy Ap Geraint |
| Event Type | Date | Place | Description |
|---|---|---|---|
Birth |
abt 0450 | Caer Uisc, Kingdom of Dumnonia, Wales |