Joshua 2:15-18

Then she let them down by a rope through the window, for her house was built into the city wall, so that she was living on the wall. And she said to them, “Go [west] to the hill country, so that the pursuers [who have headed east] will not encounter you; hide yourselves there for three days until the pursuers return. Then afterward you can go your way.” The men said to her, “We shall be blameless and free from this oath which you have made us swear, unless, when we come into the land, you tie this cord of scarlet thread in the window through which you let us down, and bring into the house your father and your mother and your brothers and all your father’s household [so that they will be safe].