1 Kings 11:20 in the King James Version
And the sister of Tahpenes bare him Genubath his son, whom Tahpenes weaned in Pharaoh’s house: and Genubath was in Pharaoh’s household among the sons of Pharaoh.
Context
19 Hadad found great favor in the sight of Pharaoh, so that he gave him as wife the sister of his own wife, the sister of Tahpenes the queen.
20 The sister of Tahpenes bore him Genubath his son, whom Tahpenes weaned in Pharaoh’s house; and Genubath was in Pharaoh’s house among the sons of Pharaoh.
21 When Hadad heard in Egypt that David slept with his fathers, and that Joab the captain of the army was dead, Hadad said to Pharaoh, “Let me depart, that I may go to my own country.”