1 Kings 11:4
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.
1 Kings 11:6
And Solomon did evil in the sight of the LORD, and went not fully after the LORD, as did David his father.
1 Kings 15:3
And he walked in all the sins of his father, which he had done before him: and his heart was not perfect with the LORD his God, as the heart of David his father.
For their heart was not right with him, neither were they stedfast in his covenant.
And yet for all this her treacherous sister Judah hath not turned unto me with her whole heart, but feignedly, saith the LORD.
Yet hath he not root in himself, but dureth for a while: for when tribulation or persecution ariseth because of the word, by and by he is offended.