Genesis 12:13
Say, I pray you, you are my sister: that it may be well with me for your sake; and my soul shall live because of you.
Nave's Topical Index—AKJV

Genesis 18:13-15
And the LORD said to Abraham, Why did Sarah laugh, saying, Shall I of a surety bear a child, which am old?
Nave's Topical Index—AKJV

Genesis 20:13
And it came to pass, when God caused me to wander from my father's house, that I said to her, This is your kindness which you shall show to me; at every place where we shall come, say of me, He is my brother.
Nave's Topical Index—AKJV