Rav Huna bar Tortah [saw a snake and a tortoise entwined, and a weasel emerged between them, and when I came] before Rabbi Shimon the Pious [etc.], Chulin [(127a)] and in the Midrash on "she kept the Sabbath," a Jew returned for her and was called the son of Tortah. [See above regarding Yochanan ben Tortah from the discussion and Rabbi Chanina, explained at length]:
Seder_HaDorot,_Tanaim_and_Amoraim.974:1