eighteen wives

2 Chronicles 11:23
Rehoboam also acted wisely by dispersing some of his sons throughout the districts of Judah and Benjamin, and to all the fortified cities. He gave them abundant provisions and sought many wives for them.

Deuteronomy 17:17
He must not take many wives for himself, lest his heart go astray. He must not accumulate for himself great amounts of silver and gold.

Judges 8:30
Gideon had seventy sons of his own, since he had many wives.

2 Samuel 3:2-5
And sons were born to David in Hebron: His firstborn was Amnon, by Ahinoam of Jezreel; . . .

2 Samuel 5:13
After he had arrived from Hebron, David took more concubines and wives from Jerusalem, and more sons and daughters were born to him.

1 Kings 11:3
He had seven hundred wives of royal birth and three hundred concubines--and his wives turned his heart away.

1 Chronicles 3:1-9
These were the sons of David who were born to him in Hebron: The firstborn was Amnon, by Ahinoam of Jezreel; the second was Daniel, by Abigail of Carmel; . . .

Song of Solomon 6:8, 9
There are sixty queens and eighty concubines, and maidens without number, . . .