Genesis 26:7 in the King James Version
And the men of the place asked him of his wife; and he said, She is my sister: for he feared to say, She is my wife; lest, said he, the men of the place should kill me for Rebekah; because she was fair to look upon.
Context
6 Isaac lived in Gerar.
7 The men of the place asked him about his wife. He said, “She is my sister,” for he was afraid to say, “My wife”, lest, he thought, “the men of the place might kill me for Rebekah, because she is beautiful to look at.”
8 When he had been there a long time, Abimelech king of the Philistines looked out at a window, and saw, and, behold, Isaac was caressing Rebekah, his wife.