Joab: Son of David's Sister: Commander of David's Army
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2 Samuel 8:16
Joab son of Zeruiah was over the army; Jehoshaphat son of Ahilud was the recorder;
2 Samuel 20:23
Now Joab was over the whole army of Israel; Benaiah son of Jehoiada was over the Cherethites and Pelethites;
1 Chronicles 11:6
Now David had said, “Whoever is the first to strike down a Jebusite will become chief commander.” And Joab son of Zeruiah went up first, and he became the chief.
1 Chronicles 18:15
Joab son of Zeruiah was over the army; Jehoshaphat son of Ahilud was the recorder;
1 Chronicles 27:34
Ahithophel was succeeded by Jehoiada son of Benaiah, then by Abiathar. Joab was the commander of the king’s army.