Midrash on Ezra 8:18: Bereshit Rabbah & Classical Sources

וַיָּבִ֨יאּוּ לָ֜נוּ כְּיַד־אֱלֹהֵ֨ינוּ הַטּוֹבָ֤ה עָלֵ֙ינוּ֙ אִ֣ישׁ שֶׂ֔כֶל מִבְּנֵ֣י מַחְלִ֔י בֶּן־לֵוִ֖י בֶּן־יִשְׂרָאֵ֑ל וְשֵׁרֵֽבְיָ֛ה וּבָנָ֥יו וְאֶחָ֖יו שְׁמֹנָ֥ה עָשָֽׂר׃

And according to the good hand of our God upon us they brought us a man of discretion, of the sons of Mahli, the son of Levi, the son of Israel; and Sherebiah, with his sons and his brethren, eighteen;