Sheikh Mohammed bin Rashid al Maktoum & brothers Hamdan & Ahmed are one of horse racing's richest families + $14 billion Alain and Gerard Wertheimer: Horse racing and breeding business $8 billion Pan Sutong (Usd6.1 Billion) races at the Hong Kong Jockey Club. John Magnier : The world's largest breeding operation of thoroughbred racehorses. $5.2 Billion Samih...
