[8] And Judah said unto Onan, Go in unto thy brother's wife, and marry her, and raise up seed to thy brother. [9] And Onan knew that the seed should 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 seed to his brother. [10] And the thing which he did the LORD: wherefore he slew