Amaokwu Akwụkwọ Nsọ Ndị Ama Ama siteré na Genesis 38

Kesaa

What he did was evil in the LORD’s sight, so He put him to death also.

But Onan knew that the offspring would not be his, so whenever he slept with his brother’s wife, he released his semen on the ground so that he would not produce offspring for his brother.