Winnetta Ottoson, nee Koedyker, 90, of Waterloo, died Nov. 13, 2019, in southern St. Louis, Missouri. Visitation will be held on Sunday, Nov. 17 from 2-4 p.m. at Quernheim Funeral Home in Waterloo and on Monday, Nov. 18 from 8 a.m. until the time of the service at Holy Cross Lutheran Church in Renault. The funeral service will be held at 9 a.m. with Rev. Terry Grebing officiating. Interment will be at Jefferson Barracks National Cemetery in St. Louis, Missouri.