19 Hadad found great favor in the sight of Pharaoh, so that he gave him his sister-in-law for a wife, the sister of Queen Tahpenes.

Matthew Henry's Commentary on 1 Kings 11:19

Commentary on 1 Kings 11:14-25

(Read 1 Kings 11:14-25)

While Solomon kept close to God and to his duty, there was no enemy to give him uneasiness; but here we have an account of two. If against us, he can make us fear even the least, and the very grasshopper shall be a burden. Though they were moved by principles of ambition or revenge, God used them to correct Solomon.