1899-
| Hedwig Platzmann | |
| *: | 21 Jun 1899 |
| D-Bochum-Laer | |
1902-
| Emil Platzmann | |
| *: | 8 Aug 1902 |
| D-Bochum-Laer | |
| Sophie Friederike E l l a Peddenbruch | |
| *: | 23 Okt 1904 |
| D-Bochum | |
| oo: | 15 Jul 1927 |
| D-Bochum-Querenburg | |
1904-
| Emma Elisabeth Platzmann | |
| *: | 5 Dez 1904 |
| D-Bochum-Laer | |
1872-
| Emma Elisabeth Mette | |
| *: | 27 Okt 1872 |
| D-Bochum-Laer | |
| Wilhelm Heinrich Platzmann | |
| *: | 4 Sep 1867 |
| D-Bochum-Laer | |
| oo: | 9 Sep 1892 |
| D-Bochum | |
