According to multiple industry sources, Jenner, who sits on the board of each of her kids’ businesses, gets 10% of gross revenue from every product, TV show or modeling gig in which her family participates, in exchange for helping build out staffing and supply chains. “Each one of our businesses has an individual infrastructure and a team built around the company,” she says. It’s an arrangement she made with them at the start. “I said to my kids, ‘Look, I’m going to put my heart and soul into this—I'm going to work hard. And I’ll take 10%, because that'll make it worth my while,’” Jenner says, adding that it was a better deal for them than what a typical manager would charge. One entertainment attorney whose roster includes A-list clien