2 Samuel 15:7-8

ISV(i) 7 And so it was that forty years after Israel had demanded a king, Absalom asked the king, “Please let me go to Hebron so I can pay my vow that I made to the LORD, 8 because when I was living at Geshur in Aram, your servant made this solemn promise: ‘If the LORD ever brings me back to Jerusalem, then I will serve the LORD.’”