Not much would come up, but the 1900 census for Holton, Marathon Co, WI:
William Witt, b Mar 1854, Ger, im 1881
Terissa Witt, b Sep 1869, Serb/Austria, im 1880
Henry F Witt, b Mar 1889, WI
Oscar C Witt, b May 1891, WI
Mary M Witt, b Aug 1894, WI
William and Terissa were married 12yrs at time of census