שְׁנֵים־עָשָׂ֥ר אֲנַ֛חְנוּ אַחִ֖ים בְּנֵ֣י אָבִ֑ינוּ הָאֶחָ֣ד אֵינֶ֔נּוּ וְהַקָּטֹ֥ן הַיּ֛וֹם אֶת־אָבִ֖ינוּ בְּאֶ֥רֶץ כְּנָֽעַן׃
We are twelve brethren, sons of our father; one is not, and the youngest is this day with our father in the land of Canaan. .
Read midrashic interpretation of Genesis 42:32: and classical rabbinic exegesis.