Are you still looking for information re: the Schraufnagels? The Mary Schraufnagel you are referring to was the daughter of Frank and Lena Schilling Schraufnagel. Her grandparent's was Henry Schraufnagel Sr and Mary Weix Schraufnagel.
The Mary Schraufnagel from Leroy, who married into the Feucht family, was the daughter of Joseph & Sophia Weiglein Schraufnagel. She had 12 children. Henry Schraufnagel Sr and Joseph Schraufnagel were brothers.
Joseph stayed in the Leroy WI area his whole life. Henry Schraufnagel Sr was born in Leroy but moved to Colby (Hull township) with his family in 1885. If I can be of further assistance, please contact me.