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

And Judah said to Onan, Go in to thy brother's wife, and marry her, and raise up seed to thy brother.

And Onan knew that the seed would not be his: and it came to pass, when he went in to his brother's wife, that he frustrated the purpose, lest he should give seed to his brother.

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