The Royal family of Saudi Arabia

This Family ruling the country since 1744 $ Net worth is $ 1.4 Trillion

The Royal Family of  Kuwait

The AL-Sabah  Family with net worth of $ 260 Billion

The Royal Family of Qatar

Qatar is ruled by Royal Family of Thani & its net worth is $ 335 Billion

The Royal Family of Abu Dhabi

This Family come from AL-Nahyan Dynasty & its net  worth is $ 150 billion

The British Royal Family

This Royal Family net worth is $88 Billion 

The Royal Family of Thailand

The Charki dynasty is the royal family of Thailand & its net worth is  $ 60 Billion

The Royal Family of Brunei