Ancestry of Oskar Moritz Bruno Frohburg
| Friedrich Wilhem Oskar Frohburg 1878-1947 | Maria Emma Anna Stephen 1885-1952 | |
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| Oskar Moritz Bruno Frohburg 1906-1996 | ||
| Friedrich Wilhem Oskar Frohburg 1878-1947 | Maria Emma Anna Stephen 1885-1952 | |
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| Oskar Moritz Bruno Frohburg 1906-1996 | ||