The current age of Derwerker is 103. Other a city that this person has stayed in is Cherry Valley. The number currently linked to Derwerker is (607) 264-3086. Derwerker's birth date was listed as 1920. Company linked with Derwerker is: Fm Scion Service Corp. Derwerker’s residency is at 34 Lancaster St #487, Cherry Valley, Ny 13320.