King James Version
And Abimelech called Isaac, and said, Behold, of a surety she is thy wife: and how saidst thou, She is my sister? And Isaac said unto him, Because I said, Lest I die for her.New International Version
So Abimelech summoned Isaac and said, "She is really your wife! Why did you say, 'She is my sister'?" Isaac answered him, "Because I thought I might lose my life on account of her."Catholic Public Domain Version
And summoning him, he said: "It is clear that she is your wife. Why did you falsely claim her to be your sister?" He answered, "I was afraid, lest I might die because of her.