1 Kings 16:24-26

24then he bought the hill of Samaria from Shemer for 150 pounds of silver, and he built up the hill. He named the city he built Samaria based on the name Shemer, the owner of the hill.

25Omri did what was evil in the Lord’s sight; he did more evil than all who were before him.

26He walked in all the ways of Jeroboam son of Nebat in every respect and continued in his sins that he caused Israel to commit, angering the Lord God of Israel with their worthless idols.