Genesis 26:8

Overview - Genesis 26
1	Isaac, because of famine, sojourns in Gerar, and the Lord instructs and blesses him.
7	He is reproved by Abimelech for denying his wife.
12	He grows rich, and the Philistines envy his prosperity.
18	He digs Esek, Sitnah, and Rehoboth.
23	God appears to him at Beer-sheba, and blesses him; and Abimelech makes a covenant with him.
34	Esau's wives.

Genesis 26:8  (King James Version)
And it came to pass, when he had been there a long time, that Abimelech king of the Philistines looked out at a window, and saw, and, behold, Isaac was sporting with Rebekah his wife.