The House of Liechtenstein is a royal family that has ruled the Principality of Liechtenstein since the early 18th century. The family originated from the Liechtenstein estate in Austria and gained prominence through strategic marriages and political alliances. Today, they are known for their wealth and influence in European affairs. The current head of the family is Prince Hans-Adam II, who has been in power since 1989. The family plays a significant role in the governance of Liechtenstein, a small, landlocked country between Switzerland and Austria. They are also known for their extensive art collection and philanthropic efforts.