On January 16, 2021, Evelyn Dorothy Preston, of Potomac, MD passed away. Beloved wife of Alan Preston. Devoted mother of Maxwell (Sharon) Preston and Margaret Preston. Beloved sister of Eric (Hendel) Schwartz, and Rosa Dina (Michael) Rozansky. Cherished grandmother of Samuel and Nathan Preston. Burial services at Judean Memorial Gardens will be private. Memorial Contributions may be made to Juvenile Diabetes Research Fund JDRF.org. Arrangements by Hines-Rinaldi Funeral Home under Jewish Funeral Practices Committee of Greater Washington Contract.