Judges 8:20-21
20 Turning to Jether, his oldest son, he said, “Kill them!” But Jether did not draw his sword, because he was only a boy and was afraid.
21 Zebah and Zalmunna said, “Come, do it yourself. ‘As is the man, so is his strength.’” So Gideon stepped forward and killed them, and took the ornaments off their camels’ necks.