And she conceived again and bare a son and called him Onan.

Then said Judah unto Onan, go in to thy brother's wife and marry her, and stir up seed unto thy brother.

And when Onan perceived that the seed should not be his: therefore when he went into his brother's wife, he spilled it on the ground, because he would not give seed unto his brother.

The children of Judah: Er, Onan, Shelah, Perez and Sarah - but Er and Onan died in the land of Canaan. The children of Perez, Hezron, and Hamul.

The children of Judah: Er and Onan, which died in the land of Canaan.

The sons of Judah: Er, Onan, and Shelah. These three were born him of the daughter of Shua the Cananitess. But Er the eldest the son of Judah was evil in the sight of the LORD, and therefore he slew him.