Arline Johanna (Sandidge) Wittenauer, 94, of Hecker, passed away on Tuesday, April 14, 2026 at her home in Hecker. The visitation will be held from 2-6 p.m. on Sunday, April 19 at Quernheim Funeral Home in Waterloo and from 9-10 a.m. on Monday, April 20 at St. Augustine Catholic Church in Hecker. The funeral Mass will be held at 10 a.m. on Monday, April 20 at St. Augustine Catholic Church with Father Linus Umoren officiating. Burial will be at the church cemetery.