1 Kings 11:33

because they have forsaken me, and have bowed themselves unto Ashtaroth the God of the Sidonians, and to Chemosh the God of the Moabites and to Milcom the God of the children of Ammon, and have not walked in my ways, to do that pleaseth me, and mine ordinances and customs, as David his father.

1 Kings 3:14

And if thou wilt walk in my ways, to keep mine ordinances and commandments as David thy father did walk, I will lengthen thy days also."

1 Kings 6:12-13

"Concerning the house which thou art in building: if thou wilt walk in mine ordinances and execute my laws and keep all my commandments, to walk in them; then will I make good unto thee my promises which I promised David thy father.

1 Kings 9:5-7

then I will establish the seat of thy kingdom upon Israel forever, as I promised to David thy father, saying, 'Thou shalt not be without one or other upon the seat of Israel.'

1 Kings 11:5-7

And Solomon followed Ashtaroth the goddess of the Sidonians, and Milcom the abomination of the Ammonites.

1 Kings 11:9

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

1 Chronicles 28:9

And thou, Solomon my son: know God thy father and serve him with a pure heart and lust of soul. For the LORD searcheth all hearts and understandeth all the imaginations of thoughts. If thou shalt seek him, he will be found of thee: But and if thou forsake him, he will cast thee off forever.

2 Chronicles 15:2

And he went out against Asa and said to him, "Hear me Asa, and all Judah and Benjamin: The LORD is with you, while ye be with him, and if ye shall seek him, he will be found of you: but and if ye shall forsake him, he will forsake you.

Jeremiah 2:13

For my people hath done two evils: They have forsaken me, the well of the water of life; and digged them pits, yea, vile and broken pits, that hold no water.

Hosea 4:17

And whereas Ephraim is become partaker of Idols: well, let him go.

Treasury of Scripture Knowledge

Summary

Because that they have forsaken me, and have worshipped Ashtoreth the goddess of the Zidonians, Chemosh the god of the Moabites, and Milcom the god of the children of Ammon, and have not walked in my ways, to do that which is right in mine eyes, and to keep my statutes and my judgments, as did David his father.

Bible References

They have forsaken

1 Kings 11:9
Then was the LORD angry with Solomon because his heart turned from the LORD God of Israel which appeared unto him twice,
1 Kings 3:14
And if thou wilt walk in my ways, to keep mine ordinances and commandments as David thy father did walk, I will lengthen thy days also."
1 Kings 6:12
"Concerning the house which thou art in building: if thou wilt walk in mine ordinances and execute my laws and keep all my commandments, to walk in them; then will I make good unto thee my promises which I promised David thy father.
1 Kings 9:5
then I will establish the seat of thy kingdom upon Israel forever, as I promised to David thy father, saying, 'Thou shalt not be without one or other upon the seat of Israel.'
1 Chronicles 28:9
And thou, Solomon my son: know God thy father and serve him with a pure heart and lust of soul. For the LORD searcheth all hearts and understandeth all the imaginations of thoughts. If thou shalt seek him, he will be found of thee: But and if thou forsake him, he will cast thee off forever.
2 Chronicles 15:2
And he went out against Asa and said to him, "Hear me Asa, and all Judah and Benjamin: The LORD is with you, while ye be with him, and if ye shall seek him, he will be found of you: but and if ye shall forsake him, he will forsake you.
Jeremiah 2:13
For my people hath done two evils: They have forsaken me, the well of the water of life; and digged them pits, yea, vile and broken pits, that hold no water.
Hosea 4:17
And whereas Ephraim is become partaker of Idols: well, let him go.

General references

Numbers 21:29
Woe be to thee, Moab! O people of Chemosh, ye are forlorn! His sons are put to flight and his daughters brought captive unto Sihon, king of the Amorites!
1 Samuel 7:4
And then the children of Israel did put away Baalim and Ashtaroth, and served the LORD only.
2 Kings 21:22
And he forsook the LORD God of his fathers and walked not in the way of the LORD.