Genesis 46:27

And the sons of Joseph whom he had in Egypt were two. Seventy persons of the family of Jacob came into Egypt.

Acts 7:14

Then Joseph sent for Jacob his father and all his family, seventy-five persons.

Exodus 1:5

All the offspring of Jacob were seventy persons: and Joseph had come to Egypt before them.

Deuteronomy 10:22

Your fathers went down into Egypt with seventy persons; and now the Lord your God has made you like the stars of heaven in number.

Exodus 24:1

And he said to Moses, Come up to the Lord, you and Aaron, and Nadab and Abihu and seventy of the chiefs of Israel; and give me worship from a distance.

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
All these, together with his daughter Dinah, were the children of Leah, whom Jacob had by her in Paddan-aram; they were thirty-three in number.
Deuteronomy 10:22
Your fathers went down into Egypt with seventy persons; and now the Lord your God has made you like the stars of heaven in number.
Acts 7:14
Then Joseph sent for Jacob his father and all his family, seventy-five persons.

General references

Numbers 1:40
The generations of the sons of Asher were numbered by their families and their fathers' houses, every male of twenty years old and over who was able to go to war;

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain