I Chronicles 25:23 Midrash

לְשִׁשָּׁ֤ה עָשָׂר֙ לַחֲנַנְיָ֔הוּ בָּנָ֥יו וְאֶחָ֖יו שְׁנֵ֥ים עָשָֽׂר׃

For the sixteenth to Hananiah, his sons and his brethren, twelve;