Who owns who in autodom?

For my brother:

Ford (Ford, Lincoln, Mercury)

• 100% Jaguar
• 100% Land Rover
• 100% Aston Martin
• 100% Volvo
• 33.4% Mazda

Daimler Chrysler (Maybach, Mercedes-Benz, Smart)

• 100% Chrysler (Chrysler, Dodge, Jeep)
• 20% Mitsubishi

General Motors (Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saturn)

• 100% Opel/Vauxhall
• 100% Saab
• 100% Holden
• 42.1% GM Daewoo
• 20% Fuji/Subaru
• 20% Suzuki
• 9% Isuzu

Renault

• 99.3% Dacia
• 70.1% Samsung Motor
• 44.4% Nissan

Toyota (Lexus, Will, Toyota)

• 100% Scion
• 51.2% Daihatsu

Fiat Spa

• 100% Fiat (Alfa Romeo, Fiat, Lancia)
• 100% Maserati
• 56% Ferrari

VW (Bently, Bugatti, Seat, Skoda, VW)

• 99.1% Audi
  • 100% Lamborghini

Honda (Acura, Honda) BMW (BMW, Mini, Rolls-Royce) Porsche Autovaz (Lada) This list isn't complete, I left out some Asian brands that aren't sold here (yet). Source: Automobile magazine