1 Kings 11:14-20

Then the LORD raised up an adversary to Solomon, Hadad the Edomite; he was of the royal line in Edom. For it came about, when David was in Edom, and Joab the commander of the army had gone up to bury the slain, and had struck down every male in Edom (for Joab and all Israel stayed there six months, until he had cut off every male in Edom), that Hadad fled to Egypt, he and certain Edomites of his father’s servants with him, while Hadad was a young boy. They arose from Midian and came to Paran; and they took men with them from Paran and came to Egypt, to Pharaoh king of Egypt, who gave him a house and assigned him food and gave him land. Now Hadad found great favor before Pharaoh, so that he gave him in marriage the sister of his own wife, the sister of Tahpenes the queen. The sister of Tahpenes bore his son Genubath, whom Tahpenes weaned in Pharaoh’s house; and Genubath was in Pharaoh’s house among the sons of Pharaoh.