Genesis 26:8

And he remained there a long time, and Abimelech the king of Gerara leaned to look through the window, and saw Isaac sporting with Rebecca his wife.

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.

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.