Genesis 46:26
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;
Cross-reference
Genesis 46:27
Parallel
Verse 27 adds Joseph and his two sons to the 66 here to reach the total of 70 persons in Egypt.
Exodus 1:5
Parallel
Exodus 1:5 gives the same total of seventy persons from Jacob, incorporating the 66 here plus Joseph and his sons.
Acts 7:14
Parallel
Acts 7:14 records 75 persons, differing from the 66 here due to textual tradition; both recount the same migration.