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 more concubines and wives out of Jerusalem after he had come from Hebron, and more sons and daughters were born unto David.

Judges 8:30-31

And Gideon had seventy sons that came out of his loins, for he had many wives.

Judges 9:5

And coming unto his father's house at Ophrah, he slew his brethren, the sons of Jerubbaal, seventy persons, upon a stone; yet Jotham, the youngest son of Jerubbaal, was left, for he hid himself.

2 Samuel 3:2-5

And sons were born unto David in Hebron; and his firstborn was Amnon, of Ahinoam, the Jezreelitess;

2 Chronicles 11:21

But Rehoboam loved Maachah, the daughter of Absalom, above all his wives and his concubines (for he took eighteen wives and sixty concubines and begat twenty-eight sons and sixty daughters.)

Ecclesiastes 7:28

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

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 that came out of his loins, for he had many wives.
Judges 9:5
And coming unto his father's house at Ophrah, he slew his brethren, the sons of Jerubbaal, seventy persons, upon a stone; yet Jotham, the youngest son of Jerubbaal, was left, for he hid himself.
2 Samuel 3:2
And sons were born unto David in Hebron; and his firstborn was Amnon, of Ahinoam, the Jezreelitess;
2 Samuel 5:13
And David took more concubines and wives out of Jerusalem after he had come from Hebron, and more sons and daughters were born unto David.
2 Chronicles 11:21
But Rehoboam loved Maachah, the daughter of Absalom, above all his wives and his concubines (for he took eighteen wives and sixty concubines and begat twenty-eight sons and sixty daughters.)
Ecclesiastes 7:28
which my soul yet seeks, but I find not: one man among a thousand I have found, but a woman among all those I have not found.

General references

Exodus 34:16
or take of their daughters unto thy sons, and when their daughters go fornicating after their gods they shall make thy sons also fornicate after their gods.
Judges 3:6
they took their daughters to be their wives and gave their daughters to their sons and served their gods.