Bernhard Isaak
| Sex: | Male | |
| Father: | Moritz Isaac | |
| Mother: | Mina (Amalie) Cossmann | |
| Birth: | 1892 | 1 |
| Death: | 2 | |
| Religion: | JD | |
Family 1
| Spouse/Partner: | Gertrud (Minna, Mimi) Jonas | b. 1892 d. 1942 |
| Marriage: | 3 |
| Sex: | Male | |
| Father: | Moritz Isaac | |
| Mother: | Mina (Amalie) Cossmann | |
| Birth: | 1892 | 1 |
| Death: | 2 | |
| Religion: | JD | |
| Spouse/Partner: | Gertrud (Minna, Mimi) Jonas | b. 1892 d. 1942 |
| Marriage: | 3 |
