Familie: Karl Georg Alfred Dittmer / Marga Wilma Rosentreter (F1354)
Wilhelm Reinhardt Rosentreter (1899-1985) 
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Antoinette Helene Johanne Müller (1898-1982)
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Wilhelm Magnus Georg Rosentreter (1921-2004)  |
| Ernst Karl Rosentreter (1923-1923) |
| Alida Henni Rosentreter (1925-1983) |
