Joshua 2:17-18

17And the men said to her, We will be quit of this thine oath which thou hast made us swear.

18Behold, when we come into the land, thou shalt bind in the window this line of scarlet thread by which thou hast let us down; and thou shalt gather to thee in the house thy father, and thy mother, and thy brethren, and all thy father's household;