| Name | Jacob I van Heurne | |
| Suffix | Graaf | |
| Birth | Abt 1420 | |
| Gender | Male | |
| Death | 1488 | |
| Person ID | I1095 | Martherus |
| Last Modified | 9 Jun 2004 | |
| Father | Willem VIII van Horne d. 1433 | |
| Mother | Jeanne de Montigny | |
| Family ID | F577 | Group Sheet | Family Chart |
| Family | Johanna van Meurs d. 1461 | |||
| Children |
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| Family ID | F576 | Group Sheet | Family Chart | ||