Familie: Nagel, Ernst Heinrich / Bertram, Auguste Luise (F16764)
verh. 1918 | Nagel, Heinrich August Hermann (1860-1923) 
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Lange, Johanne Wilhelmine Karoline (1866-1947)
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Nagel, Heinrich Ferdinand Gustav (1886- )  |
| Nagel, Lina Margarete Emma (1889- ) |
| Nagel, Anna Frieda Martha (1899-1971) |
| Nagel, Mathilde (1903-1998) |
| Bertram, Ferdinand Wilhelm (1849-1920)
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| Strohmeyer, Wilhelmine Justine (1857-1922)
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| Bertram, Heinrich Ernst August (1884- ) |
| Bertram, Heinrich Ernst Friedrich (1886- ) |
| Bertram, Gustav Ernst August (1889- ) |
| Bertram, Carl Friedrich Wilhelm (1895- ) |
| Bertram, Auguste Frieda Emma (1898-1915) |
| Nagel, Ernst Heinrich (1891-1950)
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| Bertram, Auguste Luise (1892- )
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| Nagel, Erna (1919-1966) |
| Nagel, Gertrud Dorothea Friederike (1922- ) |