'Thirteenth' in the Bible

to whom the word of the Lord came in the days of Josiah the son of Amon, king of Judah, in the thirteenth year of his reign.

“From the thirteenth year of Josiah the son of Amon, king of Judah, even to this day, these twenty-three years the word of the Lord has come to me, and I have spoken to you again and again, but you have not listened.