9
He knowing that the children should not be his, when he went in to his brother's wife, he spilled his seed upon the ground, lest children should be born in his brother's name.
compare_arrows
Compare Translations
And Onan knew that the seed should not be his; and it came to pass, when he went in to his brother’s wife, that he spilled it on the ground, lest that he should give seed to his brother.