Genesis 12:10-20
And there was a famine in the land: and Abram went down into Egypt to sojourn there; for the famine was grievous in the land.
Nave's Topical Index—AKJV

Genesis 20:12
And yet indeed she is my sister; she is the daughter of my father, but not the daughter of my mother; and she became my wife.
Nave's Topical Index—AKJV