Johannes Harmannus Adams
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 | Johanna Harmanna Adams Abt 1811-1898 |
| Johanna Harmanna Adams | |
| B: | Abt 1811 |
| Oude Pekela, Pekela, Groningen, Netherlands | |
| D: | 3 Jun 1898 |
| Groningen, Groningen, Netherlands | |
| Eltje Jans Menkema 1812-Bef 1898 |
| Eltje Jans Menkema | |
| B: | 21 Jan 1812 |
| Midwolda, Scheemda, Groningen, Netherlands | |
| D: | Bef 3 Jun 1898 |