וּלְגִדְע֗וֹן הָיוּ֙ שִׁבְעִ֣ים בָּנִ֔ים יֹצְאֵ֖י יְרֵכ֑וֹ כִּֽי־נָשִׁ֥ים רַבּ֖וֹת הָ֥יוּ לֽוֹ׃
And Gideon had threescore and ten sons of his body begotten; for he had many wives.
Read midrashic interpretation of Judges 8:30: and classical rabbinic exegesis.