First, I am not sure why you posted on the Barron County, Wisconsin board? You will have better luck posting where they lived, in Erie County New Yorkhttp://boards.rootsweb.com/localities.northam.usa.states.new...
It looks like John had several siblings - sometimes you find more information searching their records as well. Here is the family in 1900http://boards.rootsweb.com/localities.northam.usa.states.new...
I found this obituary, possibly your Gottlieb's sister?
LOCKPORT UNION-SUN AND JOURNAL MAY 31, 1928
Medina, NY, entered into rest May 29, 1928, Augusta Kams, beloved wife of John H. Kams. She leaves to mourn her loss besides her husband, three sons and seven daughters; William F., Knowlesville, NY; Charles F., Medina, and Albert H., Albion, NY; Mrs. Fred Quintern, Albion; Mrs.Charles Hartway, Knowlesville; Mrs. Minnie Norris, Medina; Mrs. Leo J. LeVesque, Lockport; Clara Kams and Mrs. Barton Woodard, Medina; and Alice Louise Kams, Lockport, N.Y.; one brother, Gottlieb Krueger, Buffalo, NY; besides twenty two grandchildren and one great grandchild. Funeral services to be held Friday afternoon at 1:30 o'clock from the home of her daughter, Mrs. Minnie Norris, 722 South Main St. Medina, NY and two o'clock at the Evangelical Lutheran Church, Rev. Conrad Poeckler officiating. Interment at Mt. Albion Cemetery.
Do you know when Gottlieb and Johanna died?