For it came to pass, when Solomon was old, [that] his wives turned away his heart after other gods: and his heart was not perfect with the LORD his God, as [was] the heart of David his father.
Berean Study Bible (BSB) - 1 Kings 11:4 >For when Solomon grew old, his wives turned his heart after other gods, and he was not wholeheartedly devoted to the LORD his God, as his father David had been.