
| Name | Justin Ap Constantine | |
| Birth | 790 | Cornouaille, Bretagne, France |
| Gender | Male | |
| Title of Nobility | Prince of Cornouaille | |
| _FSFTID | LCCP-NHY | |
| _UID | B40914F337ACC04BA7D6F2E7B0459731C580 | |
| Death | 840 | Cornouaille, Ile et Vilaine, Bretagne, France |
| Person ID | I30777 | Ken Tree |
| Last Modified | 3 Nov 2019 | |
| Father | Constantine Ap Judon De Cornoaille, of Brittany, b. 750, Ille-et-Vilaine, Brittany, France d. 790, Ille-et-Vilaine, Brittany, France (Age 40 years) | |
| Mother | Queen Barilis de Bretagne, of Cornwall, b. 755, Ille-et-Vilaine, Brittany, France d. 795, Ille-et-Vilaine, Brittany, France (Age 40 years) | |
| Marriage | 778 | |
| _UID | 2EC69CEA1251EF40B1A947DDDF22EE46BFF3 | |
| Family ID | F14321 | Group Sheet | Family Chart |
| Family 1 | Mrs Justin De Cornvaille, b. 770, Brittany, France d. DECEASED, France | |
| _UID | F05BB2C0B19AC74D89FF4C7EF262A3DC41C5 | |
| Family ID | F14322 | Group Sheet | Family Chart |
| Last Modified | 1 Apr 2026 | |
| Family 2 | Justin Ap Constantin DeCornwall, b. Cornwall, England d. France | |
| _UID | 1D28D6EF2B576B4783F36B584AD699003040 | |
| Family ID | F14323 | Group Sheet | Family Chart |
| Last Modified | 1 Apr 2026 | |