Age 81, of Pittsburgh, on Monday, September 13,2021. Beloved husband of Kathleen Ann (O'Neil) Renk; son of the late Clarence and Valeria (Morris) Renk; loving father of Charles John (Kathleen) Renk, late Chris Renk and the late Elaine Krieger; brother of Valeria Buch, Larry Renk, Clarence "Bud" Renk, and Paul Renk; grandfather of Raeann, Jeffrey, Talia, Patrick; great grandfather of Cienna and Lainey. Mr. Renk was a retired Pittsburgh Police Officer, active member and delegate of the Fraternal Order of Police, and a proud veteran of the U.S. Army. Friends welcome 2-8pm MONDAY, September 20, 2021, WILLIAM SLATER II FUNERAL SERVICE (412-563-2800) 1650 Greentree Rd, Scott Twp. Blessing Service 10:00am TUESDAY, WILLIAM SLATER II FUNERAL SERVICE. Burial will be in the National Cemetery of the Alleghenies, Bridgeville, PA. www.slaterfuneral.com