Genesis 46:26
All the persons belonging to Jacob who came into Egypt, who were his own descendants, not including Jacob's sons' wives, were sixty-six persons in all.
Exodus 1:5
All the descendants of Jacob were seventy persons; Joseph was already in Egypt.
Genesis 35:11
And God said to him, "I am God Almighty: be fruitful and multiply. A nation and a company of nations shall come from you, and kings shall come from your own body.
Judges 8:30
Now Gideon had seventy sons, his own offspring, for he had many wives.
Treasury of Scripture Knowledge
Summary
All the souls that came with Jacob into Egypt, which came out of his loins, besides Jacob's sons' wives, all the souls were threescore and six;
General references
Bible References
Loins
Genesis 35:11
And God said to him, "I am God Almighty: be fruitful and multiply. A nation and a company of nations shall come from you, and kings shall come from your own body.
Exodus 1:5
All the descendants of Jacob were seventy persons; Joseph was already in Egypt.
Judges 8:30
Now Gideon had seventy sons, his own offspring, for he had many wives.
General references
Hebrews 7:10
for he was still in the loins of his ancestor when Melchizedek met him.