NET
19 Pharaoh liked Hadad so well he gave him his sister-in-law (Queen Tahpenes’ sister) as a wife.
Darby
19 And Hadad found great favour in the sight of Pharaoh, and he gave him as wife the sister of his own wife, the sister of Tahpenes the queen.
KJV
19 And Hadad found great favour in the sight of Pharaoh, so that he gave him to wife the sister of his own wife, the sister of Tahpenes the queen.