I'd be willing to bet my 401k that the they have more than 6 on their personal staff. I'm sure every mansion has a caretaker and a maid; he has a butler, we know; I'm sure they have a cook, a couple of pilots, someone to look after the yachts, etc.
Kerry has his Band of Butlers to make PB&J sandwiches anytime the Master snaps his bony fingers.