thirty
Luke 3:23
And Jesus himself began to be about thirty years of age, being (as was supposed) the son of Joseph, which was the son of Heli,
forty
1 Chronicles 26:31
Among the Hebronites was Jerijah the chief, even among the Hebronites, according to the generations of his fathers. In the fortieth year of the reign of David they were sought for, and there were found among them mighty men of valour at Jazer of Gilead.
1 Chronicles 29:27
And the time that he reigned over Israel was forty years; seven years reigned he in Hebron, and thirty and three years reigned he in Jerusalem.