'Thirty' in the Bible
And in front of the house he made two pillars, thirty-five cubits high, with crowns on the tops of them, five cubits high.
And he made the great water-vessel of metal, round in form, measuring ten cubits across from edge to edge; it was five cubits high and thirty cubits round.
And there was no more war till the thirty-fifth year of the rule of Asa.
In the thirty-sixth year of the rule of Asa, Baasha, king of Israel, went up against Judah, building Ramah so that no one was able to go out or in to Asa, king of Judah.
In the thirty-ninth year of his rule, Asa had a very bad disease of the feet; but he did not go to the Lord for help in his disease, but to medical men.
And Jehoshaphat was king over Judah: he was thirty-five years old when he became king, and he was ruling for twenty-five years in Jerusalem: his mother's name was Azubah, the daughter of Shilhi.
Jehoram was thirty-two years old when he became king; and he was ruling in Jerusalem for eight years.
He was thirty-two years old when he became king, and he was ruling in Jerusalem for eight years: and at his death he was not regretted; they put his body into the earth in the town of David, but not in the resting-place of the kings.
But Jehoiada became old and full of days, and he came to his end; he was a hundred and thirty years old at the time of his death.
Josiah was eight years old when he became king; he was ruling in Jerusalem for thirty-one years.
And Josiah gave lambs and goats from the flock as Passover offerings for all the people who were present, to the number of thirty thousand, and three thousand oxen: these were from the king's private property.