1 Kings 11:5-9

For Solomon went after Ashtoreth the goddess of the Zidonians, and after Milcom the abomination of the Ammonites.

And Solomon did evil in the sight of the LORD, and went not fully after the LORD, as did David his father.

Then did Solomon build an high place for Chemosh, the abomination of Moab, in the hill that is before Jerusalem, and for Molech, the abomination of the children of Ammon.

And likewise did he for all his strange wives, which burnt incense and sacrificed unto their gods.

And the LORD was angry with Solomon, because his heart was turned from the LORD God of Israel, which had appeared unto him twice,