Levi

Numbers 1:47-49
The Levites, however, were not registered with the tribe of their fathers. . . .

Joab

2 Samuel 3:27
When Abner returned to Hebron, Joab pulled him aside into the gateway, as if to speak to him privately, and there Joab stabbed him in the stomach. So Abner died on account of the blood of Joab's brother Asahel.

2 Samuel 11:15-21
In the letter he wrote: "Put Uriah at the front of the fiercest battle; then withdraw from him, so that he may be struck down and die." . . .

2 Samuel 20:9, 10
"Are you well, my brother?" Joab asked Amasa. And with his right hand Joab grabbed Amasa by the beard to kiss him. . . .