1 Kings 11:3

He had seven hundred princesses and three hundred concubines, and his wives turned his heart.

2 Samuel 5:13-16

David took more concubines and wives from Jerusalem after he came from Hebron, and more sons and daughters [were] born to him.

Judges 8:30-31

Now Gideon had seventy sons, {his own offspring}, for he had many wives.

Judges 9:5

And he went to his father's house at Ophrah, and he killed his brothers, the sons of Jerub-Baal, seventy men, on one stone. But Jotham the youngest son of Jerub-Baal survived, because he hid himself.

2 Samuel 3:2-5

And sons [were] born to David in Hebron; his firstborn [was] Amnon by Ahinoam {from Jezreel}.

2 Chronicles 11:21

And Rehoboam loved Maacah the daughter of Absalom more than all his wives and concubines (for he took eighteen wives and sixty concubines, and he fathered twenty-eight sons and sixty daughters).

Ecclesiastes 7:28

What my heart sought, I did not find. Although I found one righteous man among one thousand, I did not find one [upright] woman among all these.

Treasury of Scripture Knowledge

Summary

And he had seven hundred wives, princesses, and three hundred concubines: and his wives turned away his heart.

General references

Bible References

Seven hundred

Judges 8:30
Now Gideon had seventy sons, {his own offspring}, for he had many wives.
Judges 9:5
And he went to his father's house at Ophrah, and he killed his brothers, the sons of Jerub-Baal, seventy men, on one stone. But Jotham the youngest son of Jerub-Baal survived, because he hid himself.
2 Samuel 3:2
And sons [were] born to David in Hebron; his firstborn [was] Amnon by Ahinoam {from Jezreel}.
2 Samuel 5:13
David took more concubines and wives from Jerusalem after he came from Hebron, and more sons and daughters [were] born to him.
2 Chronicles 11:21
And Rehoboam loved Maacah the daughter of Absalom more than all his wives and concubines (for he took eighteen wives and sixty concubines, and he fathered twenty-eight sons and sixty daughters).
Ecclesiastes 7:28
What my heart sought, I did not find. Although I found one righteous man among one thousand, I did not find one [upright] woman among all these.

General references

Exodus 34:16
and you take from their daughters for your sons, and their daughters prostitute [themselves] after their gods, and they cause your sons to prostitute [themselves] after their gods.
Judges 3:6
And they took their daughters as wives for themselves, and they gave their daughters to their sons, and they served their gods.