Acts 7:14

Joseph then invited his father Jacob and all his relatives, 75 people in all,

Your fathers went down to Egypt, 70 people in all, and now the Lord your God has made you as numerous as the stars of the sky.

The total number of persons belonging to Jacob—his direct descendants, not including the wives of Jacob’s sons—who came to Egypt: 66.

The total number of Jacob’s descendants was 70; Joseph was already in Egypt.

“Return quickly to my father and say to him, ‘This is what your son Joseph says: “God has made me lord of all Egypt. Come down to me without delay.

Judah’s sons: Er, Onan, Shelah, Perez, and Zerah; but Er and Onan died in the land of Canaan.
Perez’s sons: Hezron and Hamul.

Perez’s sons: Hezron and Hamul.

Then Israel went to Egypt;
Jacob lived as a foreigner in the land of Ham.

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Then sent Joseph, and called his father Jacob to him, and all his kindred, threescore and fifteen souls.

“Return quickly to my father and say to him, ‘This is what your son Joseph says: “God has made me lord of all Egypt. Come down to me without delay.

Then Israel went to Egypt;
Jacob lived as a foreigner in the land of Ham.

Judah’s sons: Er, Onan, Shelah, Perez, and Zerah; but Er and Onan died in the land of Canaan.
Perez’s sons: Hezron and Hamul.

Your fathers went down to Egypt, 70 people in all, and now the Lord your God has made you as numerous as the stars of the sky.

Perez’s sons: Hezron and Hamul.

Then Joseph and all his brothers and all that generation died.