 | Rudolph KREFFT (1842-1909) |
 | AMALIE Justine Henriette CZISCHKE (1840-1907) 
|
| Hulda Albertine KREFFT (1873-1945)  |
| Ewald KREFFT (1876-1954) |
| IDA Emilie Amalie KREFFT (1877-1951) |
| Minna Maria Ottilie KREFFT (1879-1964) |
| Otto Rudolph Conrad KREFFT (1881- ) |
| Wanda MARK (1894- ) |
| Gustav Benjamin KREFFT (1875-1957)
|
