| Birkner, Anna Christine | 1903 | Blumenthal | |
| Birkner, August Wilhelm | 1902 | Blumenthal | |
| Birkner, Auguste Wilhelmine | 1902 | Blumenthal | |
| Birkner, Grete | Castens | 1908 | Farge |
| Birkner, Hans | Castens | 1908 | Farge |
| Birkner, Johann Friedrich | 1906 | Blumenthal | |
| Birkner, Julius Otto | 1905 | Blumenthal | |
| Birkner, Ludwig Hermann | 1903 | Blumenthal |