2 Samuel 18:10

And a certain man saw it, and told Joab, and said, Behold, I saw Absalom hanged in an oak.

Cross-reference

2 Samuel 21:6 Historical context

In 2 Samuel 21:6, the Gibeonites demand hanging — here Absalom hangs from a tree, a similar execution method.

Proverbs 30:17 warns that mocking a father leads to death by birds — here Absalom, who rebelled against David, dies hanging.

Galatians 3:13 cites the curse of hanging on a tree — here Absalom's death exemplifies that curse.