Exodus 1:20

1:20 So God treated the midwives well, ¹  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.) ²  46:27 Counting the two sons ³  of Joseph who were born to him in Egypt, all the people of the household of Jacob who were in Egypt numbered seventy. ⁴ 

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. ⁵ 

[1:20]  ¹ tn The verb וַיֵּיטֶב (vayyetev) is the Hiphil preterite of יָטַב (yatav). In this stem the word means “to cause good, treat well, treat favorably.” The vav (ו) consecutive shows that this favor from God was a result of their fearing and obeying him.

[46:26]  ² tn Heb “All the people who went with Jacob to Egypt, the ones who came out of his body, apart from the wives of the sons of Jacob, all the people were sixty-six.”

[46:27]  ³ tn The LXX reads “nine sons,” probably counting the grandsons of Joseph born to Ephraim and Manasseh (cf. 1 Chr 7:14-20).

[46:27]  ⁴ tn Heb “And the sons of Joseph who were born to him in Egypt were two people; all the people belonging to the house of Jacob who came to Egypt were seventy.”

[10:22]  ⁵ tn Or “heavens.” The Hebrew term שָׁמַיִם (shamayim) may be translated “heaven(s)” or “sky” depending on the context.