{geni:about_me} Rosalia Zerkowitz moved with her parents to Mahr. Weisskirchen, Moravia in the early 1760s. Her first husband was a Sontag, but his first name has not yet been discovered. Her second husband was the much older Michael Frommer (1720-1790), whom she married about 1788. By him, she had one known son, Nathan Frommer (b. 1790).