Joshua 6:26 in the World English Bible
Joshua commanded them with an oath at that time, saying, “Cursed is the man before the LORD who rises up and builds this city Jericho. With the loss of his firstborn he will lay its foundation, and with the loss of his youngest son he will set up its gates.”
Context
25 And Joshua saved Rahab the harlot alive, and her father’s household, and all that she had; and she dwelleth in Israel even unto this day; because she hid the messengers, which Joshua sent to spy out Jericho.
26 And Joshua adjured them at that time, saying, Cursed be the man before the LORD, that riseth up and buildeth this city Jericho: he shall lay the foundation thereof in his firstborn, and in his youngest son shall he set up the gates of it.
27 So the LORD was with Joshua; and his fame was noised throughout all the country.