KJV: Come, and let us sell him to the Ishmeelites, and let not our hand be upon him; for he is our brother and our flesh. And his brethren were content.
NASB: "Come and let us sell him to the Ishmaelites and not lay our hands on him, for he is our brother, our own flesh." And his brothers listened to him.
KJV: And Judah said unto Onan, Go in unto thy brother's wife, and marry her, and raise up seed to thy brother.
NASB: Then Judah said to Onan, "Go in to your brother's wife, and perform your duty as a brother-in-law to her, and raise up offspring for your brother."
KJV: 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.
NASB: Onan knew that the offspring would not be his; so when he went in to his brother's wife, he wasted his seed on the ground in order not to give offspring to his brother.