Genesis 46:26

All the persons belonging to Jacob, who came to Egypt, his direct descendants, not including the wives of Jacob’s sons, were sixty-six persons in all,

Exodus 1:5

All the persons who came from the loins of Jacob were seventy in number, but Joseph was already in Egypt.

Genesis 35:11

God also 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 forth from you.

Judges 8:30

Now Gideon had seventy sons who were his direct descendants, 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
God also 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 forth from you.
Exodus 1:5
All the persons who came from the loins of Jacob were seventy in number, but Joseph was already in Egypt.
Judges 8:30
Now Gideon had seventy sons who were his direct descendants, for he had many wives.

General references

Hebrews 7:10
for he was still in the loins of his father when Melchizedek met him.