From 1995 until 2013 Sheikh Hamad bin Khalifa Al Thani was the Emir of Qatar. Qatar became the richest country in the world per capity by producing about 85 million tons of natural gas. After a blodless coup his son became the Emir of Qatar.
Sheikh Mohammed bin Rashid Al Maktoum is the constituation monarch of Dubai. He owns an investment compandy the „Dubai Holding“ which owed banks about $12 billion. Sheikh Mohammed bin Rashid Al Maktoum named his yacht, which is the third largest Yacht in the world „Dubai“. He is very interessted in horse racing and is known for his large spendings on horse racing. He also owns a hors-ebreeding operation Darley Stud.