7 Solomon had twelve district governors over all Israel, who supplied provisions for the king and the royal household. Each one had to provide supplies for one month in the year.

Read 1 Kings 4:7 Using Other Translations

And Solomon had twelve officers over all Israel, which provided victuals for the king and his household: each man his month in a year made provision.
Solomon had twelve officers over all Israel, who provided food for the king and his household. Each man had to make provision for one month in the year.
Solomon also had twelve district governors who were over all Israel. They were responsible for providing food for the king’s household. Each of them arranged provisions for one month of the year.