In my two-part paper on the Kaifeng Jews (here and here), I mentioned three stone inscriptions that gave different times for the Jews settlement in China. The 1489 stone cites the Song Dynasty (10th-13th c. CE), the 1512 stone cites the Han Dynasty (2nd c. BCE-2nd c. CE), and the 1663 (side A) stone cites the Zhou Dynasty (11th-3rd c. BCE). Well, it turns out that there are two oral traditions separate...