It is inspired mainly by passages in the Bible. Particularly in Genesis 6:1-8
The term "Nephilim" occurs just twice in the Hebrew Bible, both in the Torah. The first is Genesis 6:1–4 NAS, immediately before the story of Noah's ark:
Now it came about, when men began to multiply on the face of the land, and daughters were born to them, that the sons of God saw that the daughters of men were beautiful; and they took wives for themselves, whomever they chose. Then the LORD said, "My Spirit shall not strive with man forever, because he also is flesh; nevertheless his days shall be one hundred and twenty years." The Nephilim were on the earth in those days, and also afterward, when the sons of God came in to the daughters of men, and they bore children to them. Those were the mighty men who were of old, men of renown.
The second is Numbers 13:32–33 NAS, where the Twelve Spies report that they have seen fearsome giants in Canaan:
So they gave out to the sons of Israel a bad report of the land which they had spied out, saying, "The land through which we had gone, in spying it out, is a land that devours its inhabitants; and all the people whom we saw in it are men of great size. There also we saw the Nephilim (the sons of Anak are part of the Nephilim); and we became like grasshoppers in our own sight, and so we were in their sight.
The nature of the nephilim is complicated by the ambiguity of Genesis 6:4, which leaves it unclear whether they are the "sons of God" or their offspring who are the "mighty men of old, men of renown". Richard Hess in The Anchor Bible Dictionary takes it to mean that the nephilim are the offspring,[11] as does P. W. Coxon in Dictionary of deities and demons in the Bible.[12]
It is inspired mainly by passages in the Bible. Particularly in Genesis 6:1-8 The term "Nephilim" occurs just twice in the Hebrew Bible, both in the Torah. The first is Genesis 6:1–4 NAS, immediately before the story of Noah's ark:
Now it came about, when men began to multiply on the face of the land, and daughters were born to them, that the sons of God saw that the daughters of men were beautiful; and they took wives for themselves, whomever they chose. Then the LORD said, "My Spirit shall not strive with man forever, because he also is flesh; nevertheless his days shall be one hundred and twenty years." The Nephilim were on the earth in those days, and also afterward, when the sons of God came in to the daughters of men, and they bore children to them. Those were the mighty men who were of old, men of renown.
The second is Numbers 13:32–33 NAS, where the Twelve Spies report that they have seen fearsome giants in Canaan:
So they gave out to the sons of Israel a bad report of the land which they had spied out, saying, "The land through which we had gone, in spying it out, is a land that devours its inhabitants; and all the people whom we saw in it are men of great size. There also we saw the Nephilim (the sons of Anak are part of the Nephilim); and we became like grasshoppers in our own sight, and so we were in their sight.
The nature of the nephilim is complicated by the ambiguity of Genesis 6:4, which leaves it unclear whether they are the "sons of God" or their offspring who are the "mighty men of old, men of renown". Richard Hess in The Anchor Bible Dictionary takes it to mean that the nephilim are the offspring,[11] as does P. W. Coxon in Dictionary of deities and demons in the Bible.[12]