I find your Name Wenger and the Karp family name in my family tree. Chicago families. I have an Emil Wenger who married Elizabeth/Elisabeth Mares, and a Stanley Karp, who married who married Catherine Mares. Catherine, daughter of John N. Mares. Elizabeth the sister of John N. Mares. Coincidence? Don't know. Names may be connected? My family comes into the Mares family through John's mother, Christina Christoffel, sister of my great-grandfather Frank Christoffel.