I don't know for sure when they came to the US. My Great Great grandfather Michel was born in Poland in 1861. His brothers and sisters were named Josepha, Julia, Elizabeth, Franciska (after her mother Franciska Rychlik), John and Ludwig. Michel's father was Gregorz and his parents were Johann Lyga and Anna Fronfara. I don't have anymore details on them. I will ask my father how we might be connected.