'Twenty nine' in the Bible

Twenty-five years old, was Amaziah, when he began to reign, and, twenty-nine years, reigned he in Jerusalem, - and, the name of his mother, was Jehoaddan, of Jerusalem.

And, Hezekiah, began to reign when he was twenty-five years old, and, twenty-nine years, reigned he in Jerusalem, - and, the name of his mother, was Abijah, daughter of Zechariah.