Frederick Wittman, a longtime resident of Stone Park and devoted family man, passed away at the age of 85. He was the husband of the late JoAnn Wittman, née Jenkins, and is survived by six children: Ken (Tiffany), Melody (Jerry) Rehor, Brian (Geri), Christin (Shane), Sabrina (Jamie) Sterling, and Linda (Jeff) Oxarart-Lyden. He was also preceded in death by two sons, Frederick Jr. and Rick.

Mr. Wittman was a proud grandfather to Eleanor Joann and Becky Rehor, and great-grandfather to Cassian Seiber and Aaliyah Seiber. He is remembered by his siblings, nieces, nephews, and many friends who valued his presence in their lives.

A visitation will be held on Thursday, July 9, 2026, from 4:00 p.m. to 7:00 p.m. at the Conboy-Westchester Funeral Home located at 10501 W. Cermak Road in Westchester. The funeral service and interment are scheduled for Friday, July 10, at 11:00 a.m. at Memory Gardens Cemetery, 2501 E. Euclid Avenue, Arlington Heights.

In lieu of flowers, the family suggests donations to The Michael J. Fox Foundation or the gift of plants to honor Mr. Wittman’s memory. Additional information can be obtained by calling the funeral home at 708-F-U-N-E-R-A-L.