and the sons of Joseph, who were born to him in Egypt, were two. All the persons of the house of Jacob [including Jacob, and Joseph and his sons], who came into Egypt, were seventy.

“If Cain is avenged sevenfold [as the Lord said he would be],
Then Lamech [will be avenged] seventy-sevenfold.”

So Abram departed [in faithful obedience] as the Lord had directed him; and Lot [his nephew] left with him. Abram was seventy-five years old when he left Haran.

Now forty days were required for this, for that is the customary number of days [of preparation] required for embalming. And the Egyptians wept and grieved for him [in public mourning as they would for royalty] for seventy days.