Hafner from Chicago/Switzerland

My grand parents were John Anthony Hafner 1892-1955 and Erma Edna Alexander Hafner 1893-1987.My grandfathers brothers were Joseph Albert b.1890- who married Alma Elisabeth Benoit b.1894 and had children Marina, Etha, June, Carolyne Jane, Joseph, John, William and Denice. And Albert Henery b.1899- who married Thelma Werner b.1901-and had children Joan Marie, Thelma Marie, Thomas Joseph, and Albert Henery. Their Parents were Johann Antoin Hafner 1863-1915 and Carolyn Wilhemina Dorthia Kaegbein 1866-1937.I have information going back four more generations. If any of this sounds familiar please contact me.