King James Version
And he said unto Jether his firstborn, Up, and slay them. But the youth drew not his sword: for he feared, because he was yet a youth.English Standard Version
So he said to Jether his firstborn, "Rise and kill them!" But the young man did not draw his sword, for he was afraid, because he was still a young man.New International Version
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.