2 Samuel 11:2 KJV

1And it came to pass, after the year was expired, at the time when kings go forth to battle, that David sent Joab, and his servants with him, and all Israel; and they destroyed the children of Ammon, and besieged Rabbah. But David tarried still at Jerusalem.

2And it came to pass in an eveningtide, that David arose from off his bed, and walked upon the roof of the king’s house: and from the roof he saw a woman washing herself; and the woman was very beautiful to look upon.

3And David sent and enquired after the woman. And one said, Is not this Bathsheba, the daughter of Eliam, the wife of Uriah the Hittite?

4And David sent messengers, and took her; and she came in unto him, and he lay with her; for she was purified from her uncleanness: and she returned unto her house.