Possible relatives of Frederick are: Robert Gruskin, Adele Gruskin, Francine R Gruskin and 4 other people. This person's birth year is 1957. 7848 Sonoma Springs Cir, Lake Worth, Fl 33463 is where Frederick lives. Frederick was born 67 years ago. Phone number listed for Frederick is (561) 434-0737. Public records show Rockville, Suffern, Valley Cottage and 3 other cities as cities Frederick also stayed in.