Jacob Isaak
| Sex: | Male | |
| Father: | Isaak Cossmann | |
| Mother: | Ehefrau (Kaufmann) | |
| Birth: | 1 | |
| Death: | 2 | |
| Religion: | JD | |
Family 1
| Spouse/Partner: | Ehefrau (Jacobs) | b. 1730 |
| Marriage: | 3 | |
| Children: | ||
Joseph Geisel Jacobs
 |
d. 1803 | |
| Sex: | Male | |
| Father: | Isaak Cossmann | |
| Mother: | Ehefrau (Kaufmann) | |
| Birth: | 1 | |
| Death: | 2 | |
| Religion: | JD | |
| Spouse/Partner: | Ehefrau (Jacobs) | b. 1730 |
| Marriage: | 3 | |
| Children: | ||
| Joseph Geisel Jacobs
|
d. 1803 | |
