There is some opinion to it, but the Tables of Nations (Gen. 10) supposedly means Greeks under the term Javan. Dan. 8:5 sends us, via the he goat (supposedly Alexander the great) back to Abraham's sacrifice (Gen. 15:9) which the Jews interpret as a prophecy concerning gentiles coming to Messiah in the last days. Some parts ot the Talmud consider Esau to be the spiritual founder of Rome. Finally, the iron in Daniel's statue is thought to be Rome (Dan 2:33)