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...
1 Chronicles 29:27 And the time that he reigned over Israel was forty years; seven years reigned he in Hebron...