Third Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
Chapter 11
21And when Adad heard in Egypt that David slept with his fathers, and that Joab, the general of the army, was dead, he said to Pharao: Let me depart, that I may go to my own country.
Original from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.