Rav Bibi, the son of Rav Mershishiya, the son of Rav Bibi, and they said to him, Rabbi Abahu, the son of Rav Bibi, in the first chapter of Eruvin [(see above, Rabbi Abba, the father of Rav, the son of Rav Mershishiya)].
Seder_HaDorot,_Tanaim_and_Amoraim.690:1