Brenton(i)
15 And it happened, that while David was utterly destroying Edom, while Joab captain of the host was going to bury the dead, when they slew every male in Idumaea;
16 (for Joab and all Israel abode there six months in Idumaea, until he utterly destroyed every male in Idumaea;)
17 that Ader ran away, he and all the Idumaeans of the servants of his father with him; and they went into Egypt; and Ader was then a little child.