2 Chronicles 21:20
Thirty and two years old was he when he began to reign, and he reigned in Jerusalem eight years, and departed without being desired. Howbeit they buried him in the city of David, but not in the sepulchres of the kings.
Cross-reference
2 Chronicles 21:1 describes Jehoshaphat's honorable burial with his fathers, directly contrasting Jehoram's dishonorable burial here.
In 2 Chronicles 23:21, people rejoice after Athaliah's death, contrasting with no one mourning Jehoram.
2 Chronicles 28:27 records Ahaz's burial in Jerusalem but not in the kings' sepulchres—parallel to Jehoram's dishonorable burial.
In Proverbs 10:7, the name of the wicked rots—fulfilled as Jehoram dies unmourned and buried apart from kings.
In Jeremiah 22:18, the same no-lamentation formula applies to Jehoiakim, mirroring Jehoram's death.
In 1 Kings 11:43, Solomon is buried in the city of David—contrasting with Jehoram's burial apart from the kings.
2 Kings 8:25 provides the regnal synchronization for Ahaziah's accession, confirming Jehoram's death from the parallel account.
Jeremiah 34:5 promises a king's peaceful death with lamentation — directly contrasting Jehoram's unlamented death and burial outside royal tombs.