KJV
There were giants in the earth in those days; and also after that, when the sons of God came in unto the daughters of men, and they bare children to them, the same became mighty men which were of old, men of renown.
Hebrew (Masoretic)
הַנְּפִלִ֞ים הָי֣וּ בָאָרֶץ֮ בַּיָּמִ֣ים הָהֵם֒ וְגַ֣ם אַֽחֲרֵי־ כֵ֗ן אֲשֶׁ֨ר יָבֹ֜אוּ בְּנֵ֤י הָֽאֱלֹהִים֙ אֶל־ בְּנ֣וֹת הָֽאָדָ֔ם וְיָלְד֖וּ לָהֶ֑ם הֵ֧מָּה הַגִּבֹּרִ֛ים אֲשֶׁ֥ר מֵעוֹלָ֖ם אַנְשֵׁ֥י הַשֵּֽׁם׃ פ
Septuagint (LXX)
οἱ δὲ γίγαντες ἦσαν ἐπὶ τῆς γῆς ἐν ταῖς ἡμέραις ἐκείναις καὶ μετ᾿ ἐκεῖνο ὡς ἂν εἰσεπορεύοντο οἱ υἱοὶ τοῦ θεοῦ πρὸς τὰς θυγατέρας τῶν ἀνθρώπων καὶ ἐγεννῶσαν ἑαυτοῖς ἐκεῖνοι ἦσαν οἱ γίγαντες οἱ ἀπ᾿ αἰῶνος οἱ ἄνθρωποι οἱ ὀνομαστοί