
| Name | John, Duke Of BRITTANY | |
| Gender | Male | |
| Person ID | I8315 | Coombs |
| Last Modified | 22 Jan 2013 | |
| Family | Joan De HOLAND, b. Abt 1356, Of, Upholand, Lancashire, England d. Yes, date unknown (Age ~ 28 years) | |
| Marriage | 1366 | |
| Family ID | F2662 | Group Sheet | Family Chart |
| Last Modified | 2 Feb 2026 | |
| Sources |