2 Samuel 20:11

David : a son of Jesse of Judah; king of Israel,son of Jesse of Judah; king of Israel

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 2:14

Abner : a man of Benjamin in Saul and David's time

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 18:21

Cushite : a country south of Egypt
(21° 57´, 31° 20´); (21° 57´, 31° 20´); (32° 49´, 21° 51´); (32° 49´, 21° 51´); (32° 49´, 21° 51´)

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