1 Kings 16:23-24

23In the thirty-first year of Asa king of Judah, Omri became king over Israel and reigned twelve years; he reigned six years at 1Tirzah. 24He bought the hill 2Samaria from Shemer for two talents of silver; and he built on the hill, and named the city which he built 34Samaria, after the name of Shemer, the owner of the hill.