I've been looking through land records and tract books for Van Buren and Sumpter. I'll post interesting genealogy information here for others as I find them.

This was some genealogy info for the William A. Haak family.

Estate of William A. Haak, deceased. (probably between 1908-1909)
Probate file 41607
Heirs:
Barbara Haak, widow
Charlotte M. Cutler, daughter
Emilie W. Shephard / Shepherd, daughter
Cora B. Smith, daughter
Frederick W. Haak, son
Katie M. Forbes, daughter (wife of Charles S. Forbes)