2 Samuel 2:15 in the King James Version
Then there arose and went over by number twelve of Benjamin, which pertained to Ish-bosheth the son of Saul, and twelve of the servants of David.
Context
14 Abner said to Joab, “Please let the young men arise and compete before us!” Joab said, “Let them arise!”
15 Then they arose and went over by number: twelve for Benjamin and for Ishbosheth the son of Saul, and twelve of David’s servants.
16 They each caught his opponent by the head and thrust his sword in his fellow’s side; so they fell down together. Therefore that place in Gibeon was called Helkath Hazzurim.