John R. Petrosius  age 70, U.S. Army Veteran.  Beloved Son of the late Vincent (the late Helen) Petrosius. Cherished Brother of Vincent Petrosius, Mary (Zenon) Norbut, Genevieve (Bill) Liekis and Patricia (Kenneth) Polak. Dear and Kind Uncle to many Nieces and Nephews. John was a Mechanic for the CTA and a Truck Driver for the City of Chicago Streets and Sanitation for 30 years. John was our Angel here on Earth and will be dearly missed by all. Services Private. Arrangements Entrusted to Wolniak Funeral Home 773-767-4500