1 Kings 11:3

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

2 Samuel 5:13-16

And David took for him more concubines and wives out of Jerusalem, after he came from Hebron, and there were yet sons and daughters born to David.

Judges 8:30-31

And Gideon had seventy sons begotten from his body, for he had many wives.

Judges 9:5

And he went to his father's house at Ophrah, and killed his brothers the sons of Jerubbaal, being seventy men, upon one stone, but Jotham the youngest son of Jerubbaal was left, for he hid himself.

2 Samuel 3:2-5

And sons were born to David in Hebron: and his first-born was Amnon, of Ahinoam the Jezreelitess,

2 Chronicles 11:21

And Rehoboam loved Maacah the daughter of Absalom above all his wives and his concubines. For he took eighteen wives, and thirty concubines, and begot twenty-eight sons and thirty daughters.

Ecclesiastes 7:28

which my soul still seeks, but I have not found: among a thousand I have found one man, but among all those I have not found a woman.

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
And Gideon had seventy sons begotten from his body, for he had many wives.
Judges 9:5
And he went to his father's house at Ophrah, and killed his brothers the sons of Jerubbaal, being seventy men, upon one stone, but Jotham the youngest son of Jerubbaal was left, for he hid himself.
2 Samuel 3:2
And sons were born to David in Hebron: and his first-born was Amnon, of Ahinoam the Jezreelitess,
2 Samuel 5:13
And David took for him more concubines and wives out of Jerusalem, after he came from Hebron, and there were yet sons and daughters born to David.
2 Chronicles 11:21
And Rehoboam loved Maacah the daughter of Absalom above all his wives and his concubines. For he took eighteen wives, and thirty concubines, and begot twenty-eight sons and thirty daughters.
Ecclesiastes 7:28
which my soul still seeks, but I have not found: among a thousand I have found one man, but among all those I have not found a woman.

General references

Exodus 34:16
and thou take of their daughters to thy sons, and their daughters play the harlot after their gods, and make thy sons play the harlot after their gods.
Judges 3:6
And they took their daughters to be their wives, and gave their own daughters to their sons and served their gods.