en_tn/2ki/08/25.md

General Information:

Ahaziah becomes king of Judah.

In the twelfth year of Joram son of Ahab, king of Israel

This describes the time that Ahaziah began to reign as king of Judah by stating how long Joram, the current king of Israel, had reigned. AT: "in the twelfth year that Joram son of Ahab was king of Israel" (See: rc://en/ta/man/translate/figs-explicit)

twelfth year

"12th year" (See: rc://en/ta/man/translate/translate-ordinal)