הַנְּפִלִ֞ים הָי֣וּ בָאָ֘רֶץ֮ בַּיָּמִ֣ים הָהֵם֒ וְגַ֣ם אַֽחֲרֵי־כֵ֗ן אֲשֶׁ֨ר יָבֹ֜אוּ בְּנֵ֤י הָֽאֱלֹהִים֙ אֶל־בְּנ֣וֹת הָֽאָדָ֔ם וְיָלְד֖וּ לָהֶ֑ם הֵ֧מָּה הַגִּבֹּרִ֛ים אֲשֶׁ֥ר מֵעוֹלָ֖ם אַנְשֵׁ֥י הַשֵּֽׁם׃ {פ}
It was then, and later too, that the Nephilim appeared on earth—when divine beings cohabited with the human women, who bore them offspring. Such were the heroes of old, the men of renown.
Notice, the HEBREW, Divine Beings are the MEN and HUMAN WOMEN
Notice, NO SEX...only COHABITED!!