1 Kings 11:2-4 NIV

[2] They were from nations about which the LORD had told the Israelites, “You must not intermarry with them, because they will surely turn your hearts after their gods.” Nevertheless, Solomon held fast to them in love. [3] He had seven hundred wives of royal birth and three hundred concubines, and his wives led him astray. [4] As Solomon grew old, his wives turned his heart after other gods, and his heart was not fully devoted to the LORD his God, as the heart of David his father had been.