Genesis 46:27

And the sons of Joseph, which were born him in Egypt were: two souls. So that all the souls of the house of Jacob which came into Egypt are seventy.

Acts 7:14

Then sent Joseph and caused his father to be brought, and all his kin: three score and fifteen souls.

Exodus 1:5

All the souls that came out of the loins of Jacob were seventy, and Joseph was in Egypt already.

Deuteronomy 10:22

Thy fathers went down into Egypt with seventy souls, and now the LORD thy God hath made thee as the stars of heaven in multitude.

Exodus 24:1

And he said unto Moses, "Come unto the LORD: both thou and Aaron, Nadab and Abihu, and the seventy elders of Israel, and worship afar off."

Treasury of Scripture Knowledge

Summary

And the sons of Joseph, which were born him in Egypt, were two souls: all the souls of the house of Jacob, which came into Egypt, were threescore and ten.

General references

Bible References

Threescore and ten

Genesis 46:15
These be the children of Lea which she bare unto Jacob in Mesopotamia with his daughter Dina. All these souls of his sons and daughters make thirty and six.
Deuteronomy 10:22
Thy fathers went down into Egypt with seventy souls, and now the LORD thy God hath made thee as the stars of heaven in multitude.
Acts 7:14
Then sent Joseph and caused his father to be brought, and all his kin: three score and fifteen souls.

General references

Numbers 1:40
Among the children of Asher, their generation, in their kindreds and houses of their fathers - when they were summed by name, from twenty years and above, all that were apt to war -