Robert Steilen of Riverhead, formerly of Locust Valley, died on Aug. 23, 2015. Beloved husband of Gloria for 62 years. Devoted father of Melanie (Robbie), Margo (Danny) and the late Glenn. Cherished grandfather of Christopher, Rosemary, Maeve, Daniel, Alyssa and three beautiful great-grandchildren. Interment Calverton National Cemetery. McLaughlin Kramer Megiel Funeral Home.