kjv@Genesis:38:8 @ And Judah said unto Onan, Go in unto thy brother's wife, and marry her, and raise up seed to thy brother.
kjv@Genesis:38:9 @ 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.
kjv@Genesis:38:10 @ And the thing which he did displeased the LORD: wherefore he slew him also.