Rottach, Ernest – on Dec. 2, 2021, age 93, of Montauk, NY, formerly of Locust Valley, NY. Beloved husband of the late Dorothy. Loving father of Bob (Kathy), Cheryl Ipiotis (Alex), and Eric (Monica). Cherished grandfather of Peri Ipiotis, Alexia Ipiotis, and Jessie. Dear brother of Carol Cregg (the late Neil). Also survived by many loving relatives and friends. Memorial Visitation Oyster Bay Funeral Home, 261 South St., Oyster Bay, NY, Wednesday 5-7 p.m. Funeral Service Oyster Bay Funeral Home, Wednesday, 6:30 p.m. Interment is private. www.oysterbayfuneralhome.com