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

And this is the fashion in which thou shalt make it: the length of the ark shall be 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: Peradventure there will thirty be found there. And he said, I will not do it, if I find thirty there.