Age 84, of Pittsburgh, formerly of South Fayette, on Wednesday, November 11, 2020. Beloved wife of the late Galen Siemers; daughter of the late Emil and Marie (Busch) Desbiens; loving mother of Cynthia (late Scott) Millhouse, late Stephan Mihalko; sister of late Joseph (Vivian) Desbiens and late Robert (Dorothy) Desbiens; dear grandmother of Amanda (Richard) Rizzo, Brandon (Lauren) Dornish, Colin (Caitlin) Dornish; great grandmother of Liliana, Valentina, Sloane, Thomas, Maeve, Callahan and Peyton; brother-in-law, George Mihalko; numerous nieces and nephews. Friends welcome 9:00a.m. to 10:00a.m. MONDAY in Corpus Christi Parish (St. Mary's Church, Cecil, PA) 10 St. Mary's Lane, Cecil, PA, 15321. Mass celebrated at 10:00a.m. with burial to follow in St. Mary's Cemetery, Cecil, PA. William Slater II Funeral Service, Scott Twp, entrusted with arrangements. www.slaterfuneral.com