Genesis 10:12 בראשית י׳:י״ב
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ואת רסן בין נינוה בנה רסן בין נינוה ובין כלח וחיבר נינוה וכלח יחדיו והיו דומות לעיר גדולה ולכך נקראת נינוה העיר הגדולה. ד״‎א מן הארץ ההיא יצא אשור שם איש כמו שפירש״‎י. ונמצא במדרש מה ראה הקב״‎ה להעמיד נביא להוכיח את נינוה יותר מכל שאר אדמה אלא בזכות אשור שהיה צדיק שבנה נינוה כדכתיב מן הארץ ההיא יצא אשור פי׳‎ מן העצה ההיא יצא אשור שלא הסכים לדור הפלגה. צדיק היה ולבסוף כתיב גם אשור נלוה עמם, שלבסוף סרח. אמר ר״‎ל כסבורים היינו שנתבטלה משפחתו של פוט עד שבא יחזקאל ופירסמה פוט ולוד וכל הערב. והא דלא נתפרשו בתורה שאם תמנה אותם תמצא בהם יותר משבעים אומות.

ואת רסן בין נינוה , “and the great city of Nineveh situated between Ressen and Kolach”. He linked all three cities into one great metropolis. This is the reason why subsequently we find Nineveh referred to as: “the great city.”A different interpretation of the phrase: “and from this land Ashur emigrated.” The word Ashur is the name of a man, as suggested by Rashi, who described Ashur as being disgusted with his own children acclaiming Nimrod as deity, so much so that he decided to move far north east. In a Midrash, the source of which our author does not quote, the question is raised why G-d appointed a special prophet to warn the city of Nineveh of impending destruction if its people did not mend its ways. The answer given is that that this was in recognition of the courageous conduct of its founder Ashur, who had dissociated himself from Nimrod’s pantheistic kingdom. That Midrash cites our verse as the source for G-d’s special consideration for Nineveh’s people. The Midrash interprets the words: מן הארץ ההיא יצא אשור, as if the Torah had written: ‘the plan that prompted Ashur to move far away from the domain of Ni rod, eventually paid dividends by the inhabitants of their capital being given 40 days during which to reform heir lifestyle.” In Psalms 83,9, we are told that eventually also the Kingdom of Ashur turned anti Israel, as when they conquered the territories of the northern kingdom of the ten tribes and exiled its inhabitants in 722 B. C and that is why the Babylonians not long afterwards conquered the Kingdom of Ashur that had been predominant in that region. Rabbi Shimon ben Lakish explains that the error made by the people of Ashur was that they thought the family of Put (verse 7) had become extinct, until we find in the Book of Ezekiel 30,5 that “both Put, Lud, and a mixed multitude of non pure ancestry,” is mentioned by the prophet as among the nations falling victim to conquerors together with the Egyptians whom they had supported. The reason that these details have not been spelled out in the Torah is that if you enumerate all these tribes we would think that there had been more than the 70 nations of which the Torah speaks after the fall of the Tower.