I Chronicles 25:26 Midrash

לְתִשְׁעָ֤ה עָשָׂר֙ לְמַלּ֔וֹתִי בָּנָ֥יו וְאֶחָ֖יו שְׁנֵ֥ים עָשָֽׂר׃

For the nineteenth to Mallothi, his sons and his brethren, twelve;

Read midrashic interpretation of I Chronicles 25:26: and classical rabbinic exegesis.