Exodus 1:20

1:20 So God treated the midwives well, and the people multiplied and became very strong.

Genesis 46:26-27

46:26 All the direct descendants of Jacob who went to Egypt with him were sixty-six in number. (This number does not include the wives of Jacob’s sons.) 46:27 Counting the two sons of Joseph who were born to him in Egypt, all the people of the household of Jacob who were in Egypt numbered seventy.

Deuteronomy 10:22

10:22 When your ancestors went down to Egypt, they numbered only seventy, but now the Lord your God has made you as numerous as the stars of the sky.