Is this him?? (JewishGen.org) Markus Kohn, born abt 1795, Cerekve, Czech; son of Simon Kohn (born Nova Cereke, CZ). Markus married Esther Schief (born 10 Apr 1798 Radenin, CZ on 13 Mar 1823).
Birth record of Carolina Weidenthal says that mother’s father, Markus Kohn was a Jewish Teacher of Hostice. (MM-178.3)
Birth record of Franciska Kohn says her mother was Barbara Kohn, daughter of Karoline nee Lowi and Juda Kohn. (MM-272)