Genesis 6:4 The Nephilim were in the earth in those days, and also after that, when God's sons came in to men's daughters. They bore children to them. Those were the mighty men who were of old, men of renown. (WEB JPS ASV NAS RSV NIV)
Numbers 13:33 There we saw the Nephilim, the sons of Anak, who come of the Nephilim: and we were in our own sight as grasshoppers, and so we were in their sight." (WEB JPS ASV BBE YLT NAS RSV NIV)