JOHN (JACK) J. ZILLES SR. Age 91, on Monday, April 6, 2020. Husband of the late Dolores (Lichauer) Zilles. Beloved father of Jack and Sandy (Milligan) Zilles and the late Patrick Zilles and Carol Ann LaMaide. Survived also by four grandchildren and six great-grandchildren. Jack was a Korean War Veteran. He was also an employee of Duquesne Light for 41 years from 1953 through 1994. The family looks forward to having a memorial service and celebration of life when social distancing is no longer an issue. Private family services will be held, and private interment will be held at the Union Dale Cemetery. Send condolences post-gazette.com/gb