Kempf- Jeff “Jocko,” of West Islip, LI, on August 10, 2019. Beloved husband of Bernadette Kempf. Devoted father of Jennifer (Albert), Jeffrey Jr. (Samantha), and the late Crystal Ann. Loving grandfather of Jiavana, Aiden, and Jeffrey III. Dear brother of George, Thomas, and Debby Kempf. Jeff was a 43 year member, Lifetime Raider, and Ex-Chief of the West Islip Fire Department. Funeral arrangements entrusted to the Fredrick J. Chapey & Sons West Islip Funeral Home. Visitation will be held at the West Islip Fire Department, 309 Union Blvd., West Islip, LI. on Monday from 6:00 PM until 9:00 PM and Tuesday from 2:00 PM until 4:00 PM and 6:00 PM until 9:00 PM, and Wednesday from 10:00 AM until 12:00 PM. A Firematic Service will be held at the West Islip Fire Department on Tuesday 7:00 PM. A Funeral Service will be held Wednesday at the West Islip Fire Department at 12:00 PM. Interment to follow at North Babylon Cemetery, North Babylon, LI.