Note that "Jewishness" has the meanings both of "adherence to the religion of Judaism" and "membership in the ethnic group 'Jews'". People of both groups are listed here.
... [SRI]
Russia
Federalnaya Sluzhba Bezopasnosti (FSB, successor of KGB)
Glavnoye Razvedyvatelnoye Upravlenie[?] (GRU)
Sluzhba Vneshney Razvedki[?] (SVR)
Union of ...