| Oelfken, Adelheid Sophie Christine | 1894 | Blumenthal | |
| Oelfken, Christa | 1900 | Blumenthal | |
| Oelfken, Elsa Henriette | 1889 | Blumenthal | |
| Oelfken, Gretchen | 1886 | Blumenthal | |
| Oelfken, Heinrich Wilhelm | 1899 | Blumenthal | |
| Oelfken, Johann Heinrich Conrad | 1891 | Blumenthal | |
| Oelfken, Marie Wilhelmine | 1888 | Blumenthal |