A non-exhaustive list of literal royalty who are poorer than Lady Christy of House Walton:

King Salman of Saudi Arabia - $18 billion

King Mohammed VI of Morocco - $8.2 billion

Prince Hans-Adam II of Lichtenstein - $7.2 billion

Sheikh Mohammed bin Rashid Al Maktoum of Dubai - $4 billion

Henri, Grand Duke of Luxembourg - $4 billion

King Juan Carlos I of Spain - $2.3 billion

Emir Tamim bin Hamad Al Thani of Qatar - $2.1 billion

Prince Albert II of Monaco - $1 billion

King Charles III of the United Kingdom - $747 million

King Fredrick Obateru Akinruntan of Ugbo Kingdom (Nigeria) - $300 million

Queen Beatrix of the Netherlands - $200 million