Conversation so far:
how much is the ruler of dubai worth
Sheikh Mohammed bin Rashid Al Maktoum has a net worth of $14 billion.
what does sheikh mohammed bin rashid al maktoum own
Sheikh Mohammed bin Rashid Al Maktoum is the owner of 99.67% of Dubai Holding and the guy responsible for those really cool man-made palm islands in the Persian Gulf.
does sheikh mohammed bin rashid al maktoum have a big family
Sheikh Mohammed bin Rashid Al Maktoum has fathered 19 children with his two wives.
how much did sheikh mohammed bin rashid al maktoum's wedding cost
Sheikh Mohammed bin Rashid Al Maktoum's 1981 wedding to his first wife holds the Guinness world record for the most expensive wedding; $100 million in today's dollars.

Question: why did the wedding cost so much
Self-contained rewrite: why did sheikh mohammed bin rashid al maktoum's wedding to his first wife cost so much