אֵ֣לֶּה מִשְׁפְּחֹ֤ת בְּנֵי־אֶפְרַ֙יִם֙ לִפְקֻ֣דֵיהֶ֔ם שְׁנַ֧יִם וּשְׁלֹשִׁ֛ים אֶ֖לֶף וַחֲמֵ֣שׁ מֵא֑וֹת אֵ֥לֶּה בְנֵי־יוֹסֵ֖ף לְמִשְׁפְּחֹתָֽם׃ (ס)
These are the families of the sons of Ephraim according to those that were numbered of them, thirty and two thousand and five hundred. These are the sons of Joseph after their families.
Read midrashic interpretation of Numbers 26:37: and classical rabbinic exegesis.