Amasa Scripture - 2 Samuel 20:10

But Amasa took no heed to the sword that [was] in Joab's hand: so he smote him therewith in the fifth [rib], and shed out his bowels to the ground, and struck him not again; and he died. So Joab and Abishai his brother pursued after Sheba the son of Bichri.

Link: https://bible-history.com/studybible/2+Samuel/20/