2 Samuel 2:11-13

Revised Standard Version

¹¹ And the time that David was king in Hebron over the house of Judah was seven years and six months.

The Battle of Gibeon

¹² Abner the son of Ner, and the servants of Ish-bo′sheth the son of Saul, went out from Mahana′im to Gibeon. ¹³ And Jo′ab the son of Zeru′iah, and the servants of David, went out and met them at the pool of Gibeon; and they sat down, the one on the one side of the pool, and the other on the other side of the pool.