Exodus 4:20-22

Young's Literal Translation

²⁰ and Moses taketh his wife, and his sons, and causeth them to ride on the ass, and turneth back to the land of Egypt, and Moses taketh the rod of God in his hand.

²¹ And Jehovah saith unto Moses, `In thy going to turn back to Egypt, see -- all the wonders which I have put in thy hand -- that thou hast done them before Pharaoh, and I -- I strengthen his heart, and he doth not send the people away;

²² and thou hast said unto Pharaoh, Thus said Jehovah, My son, My first-born [is] Israel,