I am aware that this doesn't answer your question but thought the information could be helpful.
Jefferson County, IL Guardianships
Frank L. Karn born Aug 30, 1874
Kate Karn born November 15, 1876
Ernest E. Karn born May 7, 1878
Fred W. Karn born January 18, 1880
Minnie Karn born September 11, 1881
Harry B. Karn born February 7, 1883
Minor heirs of Edmund N. Karn
January 4, 1894
Robert B. Karn (brother)guardian; Chester Woodworth,
James M. King, & Esbon Merrill, bondsmen.
Ara Belle Karn born February 28, 1863, minor heir of Mary Karn (mother). Hiram V. Albright, guardian; John A. Greenhoe, bondsman. Mother of the minor was living but said to be insane.
February 13, 1975.