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
Tekoa
: resident(s) of the town of Tekoa (31° 38´, 35° 12´)
Zeruiah
: daughter of Jesse; sister of David; mother of Abishai, Asahel and Joab