Gerszk Kosewer
M, b. 1823, d. 19 October 1897
| Father* | Fajbus Kosower b. c 1777, d. 17 Oct 1845 |
| Mother* | Chaja Janklowna Jusek Kosower b. c 1788, d. 8 Apr 1828 |
Gerszk Kosewer married Basia Pasternak, daughter of Srul Pasternak. He was born in 1823 at Zareby Koscielne, Ostrow, Lomza; per FTJP. He was the son of Fajbus Kosower and Chaja Janklowna Jusek Kosower. He died on 19 October 1897 at Andrzejewo, Ostrow, Lomza; per FTJP.
Family: Basia Pasternak b. 1821, d. 11 Feb 1911
- Fajbus Kosower+ b. 1847, d. 5 Jan 1934
- Mordechai Kosewer+ b. c 1862, d. a 1921