1 Kings 11:21

And when Hadad heard in Egypt that David slept with his fathers, and that Joab the captain of the host was dead, Hadad said to Pharaoh, Let me depart, that I may go to mine own country.

Cross-reference

1 Kings 2:10 records David's death — the event Hadad hears about here, prompting his return.

1 Kings 2:34 records Joab's death — the other event Hadad hears about here.

1 Kings 22:40 uses the same phrase 'slept with his fathers' for Ahab's death — a precise linguistic parallel to David's death in the main verse.

Exodus 4:19 has Moses returning after enemies die — direct parallel to Hadad returning after David and Joab's death.

Matthew 2:20 echoes this pattern of returning after enemies die — applied to Jesus' family.