So Sarai said to Abram, “Now behold, Yahweh has shut my womb from bearing children. Please go in to my servant-woman; perhaps I will obtain children through her.” And Abram listened to the voice of Sarai.
but to the sons of the concubines which Abraham had, Abraham gave gifts while he was still living, and he sent them away from his son Isaac eastward, to the land of the east.
Now it happened while Israel was dwelling in that land, that Reuben went and lay with Bilhah his father’s concubine, and Israel heard of it. And there were twelve sons of Jacob—
Thus says Yahweh, ‘Behold, I will raise up evil against you from your own household; I will even take your wives from before your sight and give them to your companion, and he will lie with your wives in the sight of this sun.