Robert P. Sietz, 65, of Countryside, formerly of Brookfield, died on July 22, 2026. A tool & die programmer, he was the son of Joan E. Sylak-Sietz and the late Robert J. Sietz, the brother of Ronald A. Sietz and the late Richard Sietz; and the uncle of Shane Ryan Sietz and Joseph Robert Sietz.
Services and interment were private at All Souls Cemetery, Chardon, Ohio.
Arrangements were handled by Hitzeman Funeral Home & Cremation Services, 9445 31st Street, Brookfield, IL 60513.