My 3x great grandparents were Joseph Scweitz who m. Elizabeth Scheider. They came to Jefferson, Texas from Bohemia in 1870 and eventually were known by the name Switz. They were trying to get to Jefferson City, Mo. Someone wrote "Svec" on the family tree, so maybe that was their real Czech name.
I've heard the family was from a village called Ragu or Vagu, but I've never found it on a map. Children were Rosie 1867, Joseph Jr. 1870, Mary Frances 1874, Josie and Louisa.