'Thirty three' in the Bible
These are the sons of Leah, whom she bore to Jacob in Paddan-aram, with his daughter Dinah; all his sons and his daughters numbered thirty-three.
The sons of Kohath: Amram and Izhar and Hebron and Uzziel; and the length of Kohath’s life was one hundred and thirty-three years.
Then she shall remain in the blood of her purification for thirty-three days; she shall not touch any consecrated thing, nor enter the sanctuary until the days of her purification are completed.
At Hebron he reigned over Judah seven years and six months, and in Jerusalem he reigned thirty-three years over all Israel and Judah.
The days that David reigned over Israel were forty years: seven years he reigned in Hebron and thirty-three years he reigned in Jerusalem.
Six were born to him in Hebron, and there he reigned seven years and six months. And in Jerusalem he reigned thirty-three years.
The period which he reigned over Israel was forty years; he reigned in Hebron seven years and in Jerusalem thirty-three years.