Let it rest on the head of Joab and on all his father's house; and let there never fail to be in the house of Joab one who has a discharge or is a leper, who leans on a staff or falls by the sword, or who lacks bread."
2 Samuel 3:29
Surrounding context
3:28 Afterward, when David heard it, he said, "My kingdom and I are guiltless before the LORD forever of the blood of Abner the son of Ner.
3:29 Let it rest on the head of Joab and on all his father's house; and let there never fail to be in the house of Joab one who has a discharge or is a leper, who leans on a staff or falls by the sword, or who lacks bread."
3:30 So Joab and Abishai his brother killed Abner, because he had killed their brother Asahel at Gibeon in the battle.