| Name | ISAAC, Jacob | |
| Birth | Abt 1861 | Russia |
| Gender | Male | |
| Death | Yes, date unknown | |
| Person ID | I63690 | Laur from Germany |
| Last Modified | 1 Oct 2016 | |
| Family | Maria, b. Abt 1866, Russia d. Yes, date unknown | |||
| Children |
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| Family ID | F3637 | Group Sheet | Family Chart | ||
| Last Modified | 15 Feb 2026 | |||