But he hated, and did not lie with her, because his mother was of the daughters of Canaan, and he wished to take him a wife of the kinsfolk of his mother, but Judah, his father, would not permit him.
And this Er, the first-born of Judah, was wicked, and the Lord slew him.
And Judah said unto Onan, his brother: "Go in unto thy brother's wife and perform the duty of a husband's brother unto her, and raise up seed unto thy brother."
And Onan knew that the seed would not be his, (but) his brother's only, and he went into the house of his brother's wife, and spilt the seed on the ground,