The House of Saud is the world’s richest family with over $1.4 trillion. Their wealth primarily comes from vast oil reserves. Led by King Salman, the family's luxurious lifestyle includes grand palaces, extravagant yachts, private jets, and a valuable art collection. The Al Sabah family of Kuwait and Qatar's House of Thani are also among the top wealthy families.
source https://timesofindia.indiatimes.com/world/this-worlds-richest-family-surpassing-net-worth-of-billionaires-including-elon-musk-mukesh-ambani-gautam-adani-and-more/articleshow/113947353.cms