Ronald J. Jenrich, 52, dedicated Engineer Chicago Fire Dept. and member of Local 2, suddenly. Beloved husband of Mary Kaye, nee Flynn. Devoted father of Jacob. Loving son of John and the late Anne, nee Jarzemski. Dear brother of Jerome (Kim), Christine (Mark) Walek, Jeffrey, Karen (Ernie) Kovacs and Lawrence. Fond uncle of Jason Walek, Melissa, Dawn, Danny and Amanda Jenrich, Gary Lynch, Janine Gioia, Rochelle and Emma De Leon. Brother-in-Law of Patty Gioia, Colleen (Jerry) Frankowski, Kathy De Leon. Dearest friend of Morrie Bowie. Funeral Wednesday 9:30 a.m. from Blake-Lamb Funeral Home, 4727 W. 103rd St., Oak Lawn to St. Rita. (submitted by Roberta Wiebrecht Bole).