1 Chronicles 27:7

Asahel the brother of Joab As Asahel was killed before all Israel had acknowledged David as king, it is likely that this course was called the course of Asahel, in honour to his memory, it being commanded by his son. Poole, however, thinks that the foundation of this project was laid while David was in Hebron, and that then his forces were divided into twenty-four courses, under twenty-four chief commanders, whereof Asahel was one, only that the number of his forces was then much less than that which is here mentioned: but, he adds, when David was fully settled in his whole kingdom, the design was perfected, and his soldiers were increased to this number. Zebadiah his son after him That is, after his death, of which see 2 Samuel 2:23. And in his course were twenty-four thousand Not Asahel's, for in his time they were not so numerous, but Zebadiah's his son.