1 Kings 11:20

And the sister of Tahpenes bare him Genubath his son [otherwise unknown], whom Tahpenes weaned in Pharaoh's house [A significant token of his adoption into the royal family. The weaning, which generally took place in the second, sometimes third, (2 Macc. 7:27) year,was clearly a much more marked occasion in the ancient East than it is among ourselves ( Genesis 21:8 ; 1 Samuel 1:24 ) ]: and Genubath was in Pharaoh's household among the sons of Pharaoh. [ i.e. he was brought up in the Egyptian harem.]