Genesis 46:27

Joseph had two sons who were born in Egypt. There were a total of seventy people in Jacob's household who went to Egypt.

Acts 7:14

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

Exodus 1:5

Joseph was already in Egypt. The total number of Jacob's descendants was seventy.

Deuteronomy 10:22

Your fathers traveled to Egypt, seventy persons in all. Now Jehovah your God has made you as numerous as the stars of the universe (physical heavens).

Exodus 24:1

Jehovah said to Moses: You and Aaron, Nadab, Abihu, and seventy of Israel's elders come up the mountain to me and worship at 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
These were the sons Leah gave to Jacob in Paddan-aram, in addition to his daughter Dinah. The total number of these sons and daughters was thirty-three.
Deuteronomy 10:22
Your fathers traveled to Egypt, seventy persons in all. Now Jehovah your God has made you as numerous as the stars of the universe (physical heavens).
Acts 7:14
Then Joseph sent for his father Jacob and all his family, seventy-five people.

General references

Numbers 1:40
The roster of families and households for the descendants of Asher listed the men by name that were at least twenty years old and eligible for military duty.