Even if some heirs want to cash out, experts say it's unlikely to impact the borrowing capacity the McCaskey family needs to bankroll a new stadium. That's because NFL rules now allow teams to sell up to 10% to private equity investors.

CHICAGO (WLS) -- The Halas family has owned the Chicago Bears since the team was founded in 1920, and Virginia McCaskey had been in charge since her father George Halas died in 1983. Now that she has died, there are questions about the Bears' future ownership, and many in the league who want the family to remain in charge.