2 Samuel 20:3-5

3And David came to his house at Jerusalem; and the king took the ten women, concubines, whom he had left to keep the house, and put them in a house of confinement and maintained them, but did not go in to them. So they were shut up unto the day of their death, living in widowhood.

4And the king said to Amasa, Call me the men of Judah together within three days, and do thou attend here.

5So Amasa went to call together [the men of] Judah; but he delayed longer than the set time which he had appointed him.