Deuteronomy 29:25 Midrash

וַיֵּלְכ֗וּ וַיַּֽעַבְדוּ֙ אֱלֹהִ֣ים אֲחֵרִ֔ים וַיִּֽשְׁתַּחֲוּ֖וּ לָהֶ֑ם אֱלֹהִים֙ אֲשֶׁ֣ר לֹֽא־יְדָע֔וּם וְלֹ֥א חָלַ֖ק לָהֶֽם׃

and went and served other gods, and worshipped them, gods that they knew not, and that He had not allotted unto them;