Genesis 12:17 - 20
NKJV - 17 But the LORD plagued Pharaoh and his house with great plagues because of Sarai, Abram's wife. 18 And Pharaoh called Abram and said, "What is this you have done to me? Why did you not tell me that she was your wife?
For follow-up discussion and general commentary on the topic. Comments are sorted chronologically.