Ezra 8:19 Midrash

וְאֶת־חֲשַׁבְיָ֔ה וְאִתּ֥וֹ יְשַֽׁעְיָ֖ה מִבְּנֵ֣י מְרָרִ֑י אֶחָ֥יו וּבְנֵיהֶ֖ם עֶשְׂרִֽים׃ (ס)

and Hashabiah, and with him Jeshaiah of the sons of Merari, his brethren and their sons, twenty;