
| Father | Male Oltmann, Johann Herman |
| Born | 15 May 1748 | Doehlin; Oldenburg, GER. |
| Christened | 19 May 1748 | Evangelical Lutheran Kirchengemeinde, Grossenknetten, Oldenburg, GER. |
| Died | 12 Apr 1816 | Sage, Gemeinde, Oldenburg, GER. |
| Buried | 15 Apr 1816 | Evangelical Lutheran Kirchengemeinde, Grossenkneten, Oldenburg, GER. |
| Married | 9 Nov 1773 | Grossenkneten, Oldenburg, GER. |
| Father | Oltmann, Johann Dirk | F242 Group Sheet | |
| Mother | Asche, Anna Catharine | F242 Group Sheet | |
| Mother | Female Alves, Catharine Elisabeth |
| Born | 28 Jul 1751 | Grossenkneten, Oldenburg, GER. |
| Christened | 1 Aug 1751 | Evangelical Lutheran Kirchengemeinde, Grossenknetten, Oldenburg, GER. |
| Died | 30 Sep 1802 | Sage, Gemeinde, Oldenburg, GER. |
| Buried | 1 Oct 1802 | Evangelical Lutheran Kirchengemeinde, Grossenkneten, Oldenburg, GER. |
| Father | Alves, Dirck | F154 Group Sheet | |
| Mother | Wittholt, Anna Elisabeth | F154 Group Sheet | |
| Child 1 | Male + Oltmann, Gerd Hinrich |
| Born | 18 May 1782 | Haast by Laage, Grossenkneten, Oldenburg, GER. |
| Christened | 19 May 1782 | Evangelical Lutheran Kirchengemeinde, Grossenknetten, Oldenburg, GER. |
| Died | 13 Apr 1850 | Haast by Laage, Grossenkneten, Oldenburg, GER. |
| Buried | 17 Apr 1850 | Evangelical Lutheran Kirchengemeinde, Grossenkneten, Oldenburg, GER. |
| Spouse | Zitterich, Gesche Margarete | F4339 | |
| Married | 18 Nov 1806 | Grossenkneten, Oldenburg, GER. |