2 Kings 23:18

And he said, Let him alone; let no man move his bones. So they let his bones alone, with the bones of the prophet that came out of Samaria.

Cross-reference

1 Kings 13:1-22 tells the story of the man of God from Judah whose tomb Josiah spares — the entire narrative background.

1 Kings 13:31 records the old prophet's request to be buried with the man of God — this is why their bones are together in the tomb Josiah spares.

1 Kings 13:11 introduces the old prophet in Bethel who later buries the man of God — the same prophet whose tomb is spared here.