Zeruiah

Stricken of the Lord, David’s sister, and the mother of Abishai, Joab, and Asahel (1 Chr. 2:16), who were the three leading heroes of David’s army, and being his nephews, they were admitted to the closest companionship with him.

M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition
Parents: Nahash
Children: Asahel, Joab, Abishai