Joab
: son of Zeruiah, David's sister; commander of King David's army,son of Seraiah son of Kenaz of Judah; grand nephew of Caleb of Moses' time,a man whose descendants returned from exile in Babylon,ancestor of a family group who returned from exile headed by Obadiah the son of Jehiel
2 Samuel 21:18
Gob
: a town of the Philistines 25 km SE of Joppa (31° 52´, 34° 55´)