Jotham becomes regent
Uzziah’s son Jotham became regent after Uzziah was afflicted with leprosy.
Key passages
2 Ki 15:5

Yahweh struck the king, and he was infected with a skin disease until the day of his death. He lived in a separate house, while Jotham the son of the king was over the house, governing the people of the land.

2 Ch 26:21

So King Uzziah was leprous until the day of his death, and he lived in a separate house as a leper, for he was cut off from the house of Yahweh. And Jotham his son was over the house of the king, judging the people of the land.

See also