Familie: Wilhelm Otto Richard Hahlweg / Marie Ottilie Kossak (F40600)
 | Richard August Kossak (1851- ) |
 | Marie Pawlow (1858- ) |
| Charlotte Luise Kossak (1886- ) |
| Friedrich Carl Kossak (1888- ) |
| August Paul Kossak (1889- ) |
| Heinrich Otto Kossak (1891- ) |
| Ida Gertrud Kossak (1892- ) |
| Martha Julie Kossak (1894- ) |
| Julius Richard Kossak (1895- ) |
| Emma Frieda* Kossak (1897- )  |
| Margarethe Hedwig Kossak (1900-1962) |
| Marie Ottilie Kossak (1884- ) 
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