Mary Lou Hoetzlein, 77, of Murrysville, formerly of Monroeville, passed away on Friday, June 3, 2016. She was the beloved wife of the late Thomas J. Hoetzlein and the late Walter J. Janczewski; loving mother of Thomas J. Hoetzlein, Deborah Amoroso, Mary Anne Wells (Geoff), Barbara Gongloff (Thomas), Leandra Gargiulo and Christine Myers (David); grandmother of Tom, Briana, Ryan and Cole Gongloff, Ben, Drew, Luke and Madison Myers, Katie, Christina and Michael Wells, Brandon and Leila Gargiulo, Rose, Mao, Tom, Zandra and David Hoetzlein; also three great-grandchildren survive; sister of the late Thomas Chleboski (surviving wife, Trudy), Ronald Chleboski (Kay) and Carol Staley (the late James).