But the sons of Joseph who were born to him in Mizraim were two souls; and Joseph who was in Mizraim, and Jokebed the daughter of Levi, who was born among the hills in their journey to Mizraim, the sum of all the souls of the house of Jakob who came into Mizraim, seventy.
Jochebed Born Between the Walls on the Road to Egypt
Targum Pseudo-Jonathan on Genesis 46:27