So Joab returned from pursuing Abner. And when he had gathered all the people together, there were missing of David's servants nineteen men and Asahel.
2 Samuel 2:30
Surrounding context
2:29 Then Abner and his men went on all that night through the plain, crossed over the Jordan, and went through all Bithron; and they came to Mahanaim.
2:30 So Joab returned from pursuing Abner. And when he had gathered all the people together, there were missing of David's servants nineteen men and Asahel.
2:31 But the servants of David had struck down, of Benjamin and Abner's men, three hundred and sixty men who died.