This study is an attempt to compare the DNA of families who use various spellings of these surnames, which are pronounced the same, with an (S) sometimes being added. It is known that Sauter and Sautter spellings were used interchangably in Wuerttemberg, Germany, and that some members of this family emigrated to the U.S., in the 1830's, whereupon they used the Souder and Souders spellings. These surnames are also found among immigrants who came to PA, OH, and VA, 100 years earlier, using the same given names for their children, although records have not been located which link the families.