The real ruler of Russia then was the terrorist Yankel Sverdloff president of the Moscow Cheka who was a Jew The Ekaterinburg Cheka was run by seven Jews one of them Yankel Yurovsky

Could you correct the punctuation please?
The real ruler of Russia then was the terrorist Yankel Sverdloff, president of the Moscow Cheka, who was a Jew. The Ekaterinburg Cheka was run by seven Jews, one of them Yankel Yurovsky.