רב הונא בר מניומי

Rav Huna bar Menyumi, during the time of Rav Yosef, purchased techelet from the people of the house of Rav Amram the Pious. He came before Rav Yosef, and he encountered Hanan the tailor. He said to him, "Yosef the poor... I purchased techelet from the people of the house of our teacher, the brother of Rav Chiya bar Abba." He then came before Rav Matna and before Rav Yehuda from the granary regarding this (Niddah 39a).

And perhaps Rav Acha and Rav Chanina bar Menyumi, his brother.