Ezra 8:18-19
8:18 Due to the fact that the good hand of our God was on us, they brought us a skilled man, from the descendants of Mahli the son of Levi son of Israel. This man was Sherebiah, who was accompanied by his sons and brothers, 18 men,
8:19 and Hashabiah, along with Jeshaiah from the descendants of Merari, with his brothers and their sons, 20 men,