Billstein, Doris A. on March 13, 2017 of Ridge, New York. Formerly of Massapequa Park, New York, Eastport, New York and New Port Richey, Florida. Beloved wife of the late John H. Billstein. Loving mother of Robert J. Billstein (Darlene), Gary J. Billstein (Kathy) and Steven J. Billstein (Peggy). Cherished grandmother of Kristin, Devin, Keith, Daniel, Elise, Erin and Kellyanne. Dear sister of Joseph Martin and William Martin. Reposing at O.B. Davis Funeral Homes, 1001 Route 25A, Miller Place, New York. Visitation Thursday, March 16, 2017 from 2-4 and 7-9 pm. Funeral Services Friday 10 am. Interment to follow at Calverton National Cemetery.