GERST HELEN E . (BONSTINGL) Age 90, born July 26, 1928, in Pgh., PA, daughter of the late August and Mary Bonstingl. A lifelong resident of Spring Hill, passed away peacefully on Saturday, January 19, 2019. Wife of the late Raymond J. Gerst; loving mother of Raymond J. Gerst, Jr. (Roberta), Kenneth L. Gerst (Cathy), William M. Gerst (Terry), and the late Donald L. Gerst; sister of the late Mary Weber and August Bonstingl; also survived by 12 grandchildren; 29 great-grandchildren; and one great-great-grandson. Friends received Monday and Tuesday 2-4 and 6-8 p.m. at DEVLIN FUNERAL HOME, INC., 806 Perry Hwy., North Hills. Mass of Christian Burial St. Boniface Church Wednesday 10 a.m. Send condolences post-gazette.com/gb