[4] And she conceived again, and bare a son; and she called his name Onan. [5] And she yet again conceived, and bare a son; and called his name Shelah: and he was at Chezib, when she bare [6] And Judah took a wife for Er his firstborn, whose name was Tamar. [7] And Er, Judah's firstborn, was wicked in the sight of the LORD; slew [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.