So Sarai said to Abram, “Since the Lord has prevented me from having children, have sexual relations with my servant. Perhaps I can have a family by her.” Abram did what Sarai told him.
While Israel was living in that land, Reuben had sexual relations with Bilhah, his father’s concubine, and Israel heard about it. Jacob had twelve sons:
This is what the Lord says: ‘I am about to bring disaster on you from inside your own household! Right before your eyes I will take your wives and hand them over to your companion. He will have sexual relations with your wives in broad daylight!