And she conceived again, and bore a son; and she called his name Onan.

And Judah said unto Onan, Go in unto your brother's wife, and marry her, and raise up descendants to your brother.

And Onan knew that the descendant would not be his; and it came to pass, when he went in unto his brother's wife, that he spilled it on the ground, lest that he should give a descendant to his brother.

And the sons of Judah; Er, and Onan, and Shelah, and Perez, and Zarah: but Er and Onan died in the land of Canaan. And the sons of Perez were Hezron and Hamul.