Robert J. Sommer, 85, of Lancaster, PA, formerly of Suffolk County, NY, passed away at Mennonite Homes following a brief illness. Robert was the husband of Adrienne M. (Cugell) Sommer, with whom he celebrated 60 years of marriage. Robert honorably served in the US Navy during the Korean War Conflict. Robert worked as a police inspector for the Suffolk County Police Dept. for 30 years until his retirement. He was a parishioner of St. Leo the Great Catholic Church. In addition to his wife, Robert is survived by his 5 children: Robert J. Sommer, Jr., husband of Maria, of Wilmington, NC; John T. Sommer, husband of Gay, of Mullica Hill, NJ; David A. Sommer, husband of Karen, of Blue Point, NY; Alison D. Rossin, wife of Richard, of Wading River, NY; and Peter J. Sommer, Jersey City, NJ. He is also survived by 12 grandchildren. Robert was preceded in death by his granddaughter, Julia Sommer and his sister, Rosabel Bilello. A Mass of Christian Burial will be celebrated at 11AM, Monday, August 20, 2018 at St. Leo the Great Catholic Church, 2427 Marietta Ave., Lancaster, PA 17601, with Rev. Peter I. Hahn as Celebrant. Family and friends will be received at the church from 10AM to 11AM. Interment will be private and at the convenience of the family. In lieu of flowers, contributions in Robert's memory may be made to Hospice & Community Care, PO Box 4125, Lancaster, PA 17604. To leave the family an online condolence, please visit: