רב אדא מסורא

Rab Ada of Sura said to Rabbi Chanina of Sura, etc. in the chapter of the infant [(Sukkah 57b) A woman, what is the law regarding her immersing at night? Mar Zutra prohibits it, and Rabbi Chanina of Sura permits it. Rab Ada of Sura said to Rabbi Chanina, there was a case with the wife of Abba Mari, the Exilarch, who was in a dispute and did not want to immerse. Rab Nachman bar Yitzchak went to appease her.]