And their sisters [were] Zeruiah and Abigail. The sons of Zeruiah: Abishai, Joab, and Asahel, three.

Zeruiah's three sons were Abishai, Joab, and Asahel. Abigail bore Amasa, whose father was Jether the Ishmaelite.

Then David said, "Whoever strikes the Jebusites first will be chief and commander." And Joab the son of Zeruiah went up first and became chief.

Zelek the Ammonite, Naharai the Beerothite, the bearer of the weapons of Joab the son of Zeruiah,

Abishai son of Zeruiah struck down 18,000 Edomites in the Valley of Salt.

Joab son of Zeruiah was over the army;
Jehoshaphat son of Ahilud was court historian;

All that Samuel the seer, Saul son of Kish, Abner son of Ner, and Joab son of Zeruiah had dedicated, along with everything else that had been dedicated, were in the care of Shelomith and his brothers.

Joab son of Zeruiah began to count them, but he didn’t complete it. There was wrath against Israel because of this census, and the number was not entered in the Historical Record of King David.