Genesis 20

¹ After all that, Abraham moved south into the Negev region, and and lived between Kadesh and Shur. For a while he stayed in Gerar,

² and while he was there he pulled the whole “Sarah’s not my wife, she’s my sister,” thing again. Then King Abimelek of Gerar sent some men to bring Sarah to him.

³ But God showed up in Abimelek’s dreams one night and said, “You’re a dead man walking,  because that chick you just took is already married.”
⁴ Abimelek hadn’t slept with her yet though, so he said, “God, will you destroy an innocent nation?
⁵ Didn’t that guy say, ‘Dude, she’s my sister,’ and didn’t she say, ‘Yeah, he’s my brother’? My hands are clean, and my conscience is totally clear right now.”
⁶ Then God said (still in the dream), “Yeah, I know that. That’s why I didn’t let you touch her; I was keeping you from sinning.”
⁷ Now give the man his wife back. He’s a prophet, and he’ll pray for you and you’ll live. But if you don’t give her back, you and all your people are gonna die.”
⁸ Early the next morning Abimelek called in all his officials, and when he told them everything that was going on, they freaked out a little.
⁹ Then Abimelek called Abraham in and said, “What the hell have you done to us? What did I ever do to you that would make you put me and my kingdom into this position? The shit you’ve done to me should never be done to anyone ever.”
¹⁰ And then he asked, “Why did you do it?”
¹¹ Abraham replied, “Well, I thought to myself, ‘These people are probably all godless barbarians, and they’ll kill me to steal my wife.’
¹² Besides, she really is my sister, kind of; we have the same father but the same mother, so I married her.
¹³ And when God told me to leave my father’s household, I said to her, ‘If you wanna show me you love me, tell everyone wherever we go that I’m your brother.’”
¹⁴ Then Abimelek brought sheep and cows and male and female slaves and gave them to Abraham, and gave him back his wife.
¹⁵ And Abimelek was all, “My whole country is open to you; pick any spot you like and you can live there.”
¹⁶ Then he turned to Sarah and said, “I gave your brother 25 kilos of silver. That’s just to make sure there’s no hard feelings, and that everyone knows your reputation is clean.”
¹⁷ Then Abraham prayed to God, who healed Abimelek, his wife, and his female slaves so they could have children again.
¹⁸ See, God had kept all the women in Abimelek’s household from getting pregnant as long as Sarah was there.