for the Wisconsin searchhttp://usgenweb.org/states/index.shtml
I think you'll find Wilhelm/William
also a possible for Marie may have married Bernhard Haeselbarth in 1884. Marie died in 1891.
When you do the search in Ozaukee Co. You will find the full story on Justine. maiden name Karch. 1st husband Christian Lubahn, 2nd Carl Filter. (Carl Filter d. 1882), (Justine d. 1899)
On that 1874 immigration. The children came over with mother Justine/Gustine and step father Carl/Charles Filter. That is who William and Maria are with in 1880. plus 2 Filter children b. 1870 and 72 in Germany.
Family search will give you Auguste's marriage to Gustav Baer.
Wilhelmine poss marriage to Johan Schulz/Schultz
Old newspapers on ancestry- Sheboygan obit for Frederick died 1930 in Jackson, Michigan. Lived in Sheboygan area 1889-1903. When his wife died in 1942, obit said she married Frederick in Ann Arbor, Mich. 1884, 6 grand children all Jackson, Mi.
When William's wife, Bertha (Mueller) died in 1957, obit lists surviving childrens names and 27 grand and 43 Grgrand children!!
Good luck in your search