Of Westwood, suddenly on Saturday, August 25, 2018. Beloved daughter of the late Charles and Luella (Donahue) Jahelka; loving twin sister of Jean (John) McAleavey and Susan (JIm) Schwartz; dear aunt of nieces and nephews; also survived by aunts, uncles, cousins, many friends, and her beloved cat Clumpy. Joan was a 1966 graduate of South Hills High School, she retired from PNC Bank as a sales representative and was a member of the former Knoxville Christian Church. Service and burial private. In lieu of flowers, memorial donations to Animal Friends, 562 Camp Horne Road, Pittsburgh, PA 15237.