These are the sons of Leah, whom she bore to Jacob in Paddan-aram, with his daughter Dinah; all the souls of his sons and his daughters were thirty-three.

And this is how thou shall make it: The length of the ark three hundred cubits, the breadth of it fifty cubits, and the height of it thirty cubits.

And he said, Oh let not the Lord be angry, and I will speak. Perhaps there shall be thirty found there. And he said, I will not do it, if I find thirty there.