NET
15 So they got up and crossed over by number: twelve belonging to Benjamin and to Ish Bosheth son of Saul, and twelve from the servants of David.
Darby
15 And they arose and went over by number, twelve for Benjamin, and for Ishbosheth the son of Saul, and twelve of the servants of David.
KJV
15 Then there arose and went over by number twelve of Benjamin, which [pertained] to Ishbosheth the son of Saul, and twelve of the servants of David.