One day the older daughter spoke to the younger one. She said, “Our father is old. People all over the earth have men to marry and have children with. We do not.
So she said to Abram, “The Lord has kept me from having children. Go and sleep with my slave. Maybe I can have a family through her.” Abram agreed to what Sarai had said.
The Nephilim were on the earth in those days. That was when the sons of God went to the daughters of human beings. Children were born to them. The Nephilim were famous heroes who lived long ago. Nephilim were also on the earth later on.
At that time seven women will grab hold of one man. They’ll say to him, “We will eat our own food. We’ll provide our own clothes. Just let us become your wives. Take away our shame!”
Suppose two brothers are living near each other. And one of them dies without having a son. Then his widow must not marry anyone outside the family. Her husband’s brother should marry her. That’s what a brother-in-law is supposed to do.