Age 85, of Pittsburgh, on Saturday, December 5, 2020. Beloved son of the late Robert G. Sr., and Adrienne J. (Larmon) Bittles. Beloved father of Kieran John Bittles; brother of Ronald (Florence) Bittles, Richard (Suzanne) Bittles and the late Adrienne (John) Burke; many nieces and nephews and grand nieces and nephews. Bob was devoted to his extended family. He was very proud of never missing a birthday greeting to his family and all his loving nieces and nephews. He will be sorely missed. He had been a proud member of the Friendly Sons of the Shillelagh and Ancient Order of Hibernians, Bridgewater, NJ. He was a devoted parishioner of S.S. Simon and Jude Parish. Mass of Christian Burial 10:00a.m. FRIDAY in S.S. Simon and Jude Church. In lieu of flowers, please make donations to Gallagher Hospice, 1370 Washington Pike, Suite 401-B, Bridgeville, PA 15107. There will be no public visitation. Burial will be private in the National Cemetery of the Alleghenies, Bridgeville. Arrangements entrusted and provided by William Slater II Funeral Service, Scott Twp. www.slaterfuneral.com