Yakov Petrovich Polonsky Yakov Mikhailovich Sverdlov Yakov Mikhailovich Yurovsky Yakov Fedotovich Pavlov Yakov Isidorovich Perelman Yakov Iosifovich Dzhugashvili Yakov Sergeyevich Dashevsky Yakov Sinai Yakov Timofeyevich Cherevichenko Yan Borisovich Gamarnik Yakov Grigoryevich Kreyzer Yakov Vladimirovich Smushkevich