Williams, Robert L. on October 3, 2011 of Mt. Sinai, LI. Beloved husband of Margaret. Loving father of Tara Aceto (Anthony) and Robert Williams. Dear stepfather of Jill Caltabiano (Nello), Lee Wolf and Justin Akinley. Cherished grandfather of Justin, Gianna, Isabella, Christina, Cassandra, Cameron, Kyi, Keni, Samuel and Jonathan. Adored brother of Walter Williams and Lynn Kaufmann. Reposing O.B. Davis Funeral Homes, 4839 Nesconset Highway, Port Jefferson Station, LI. Visitation Wednesday 7-9 PM and Thursday 2-4 and 7-9 PM. Funeral Service Friday at 12 Noon at the Mt. Sinai Congregational Church. Interment following at Calverton National Cemetery.