Jeffrey J. Gertz Jeffrey J. Gertz, 57, of Germantown, MD, died Friday, March 21, 2014. Jeffrey was born September 6, 1956, in Cheverly, MD. He was the son of Albert E. and Thelma (Grimm) Gertz. He is survived by his children Christopher, Dorothy, Terrence, and Sydney; a sister Dorothy (& husband Stephen) Rocks of Lusby, MD. He was a 1974 graduate of DuVal High School in Lanham, MD. All services will be private.