Meanwhile, Abner son of Ner, the commander of Saul’s army, had taken Ish-Bosheth son of Saul and brought him over to Mahanaim.
References for 2 Samuel 2:8
He made him king over Gilead, Ashuri and Jezreel, and also over Ephraim, Benjamin and all Israel.
References for 2 Samuel 2:9
Ish-Bosheth son of Saul was forty years old when he became king over Israel, and he reigned two years. The tribe of Judah, however, remained loyal to David.
The length of time David was king in Hebron over Judah was seven years and six months.
References for 2 Samuel 2:11