1 Kings 16:23-24

23In the thirty-first year of Asa king of Judah, Omri became king over Israel and reigned for twelve years; he reigned for six years at 1Tirzah. 24And he purchased the hill 2Samaria from Shemer for 3two talents of silver; and he built on the hill, and named the city which he built 45Samaria, after the name of Shemer, the owner of the hill.