Prince Constantin of Liechtenstein Dies 'Unexpectedly' at Age 51: 'A Terrible Shock'

Mar. 15, 2025

Prince Constantin of Liechtenstein in 2004.Photo:Arno Balzarini/EPA/Shutterstock

Arno Balzarini/EPA/Shutterstock

The Princely House of Liechtenstein is mourning the sudden death of Prince Constantin at age 51.

The royal house announced the news in a statement on Wednesday and did not disclose a cause of death.

“The Princely House regrets to announce that S.D. Prince Constantin of Liechtenstein died unexpectedly on December 5, 2023. Prince Constantin was the youngest son of Prince Hans-Adam II,” the Princely House said in astatement. “He leaves behind his wife, Princess Marie of Liechtenstein, née Countess Kálnoky of Kőröspatak, and his children Prince Moritz, Princess Georgina and Prince Benedikt.”

Brothers Prince Maximilian (l) and Constantin (r) Toast with Crown Prince Alois of Liechtenstein at an event in 2004.Arno Balzarini/EPA/Shutterstock

Sharing a line about his professional background, courtiers continued, “Prince Constantin was chairman of the supervisory board of Liechtenstein Group AG and a member of Board of Directors of Liechtenstein Group Holding AG.”

Fan blog LiechtensteinRoyal posted a tribute onX, sharing the same photo thatLiechtensteiner Vaterlandnewspaper published with Constantin’s obituary. According to the outlet, Prince Constantin was born in St. Gallen in March 1972 and graduated from the Liechtenstein High School before studying law in Salzburg.

Vaterlandsaid that Constantin had served as general director and chairman of the board of the Prince Liechtenstein Foundation for 11 years and noted that the group “holds almost all of the royal family’s assets, such as one of the largest private art collections in the world, the LGT Group, a museum, the Vaduz Hofkellerei [one of the royal family’s wine cellars] and various properties.”

“His death comes as a terrible shock to all those who knew him, and the Liechtenstein Group is in deep mourning,” themessagesaid. “Our thoughts and prayers go out to his widow Princess Marie von und zu Liechtenstein, and their children Moritz, Georgina, and Benedikt.”

Prince Constantin and Princess Marie attend a wedding in 2005.Frank Rollitz/Shutterstock

Frank Rollitz/Shutterstock

Can’t get enough of PEOPLE’s Royals coverage?Sign up for our free Royals newsletterto get the latest updates on Kate Middleton, Meghan Markle and more!

As a constitutional hereditary monarchy, the reigning prince of the Princely House of Liechtenstein and a democratically elected parliament share political power through a system of checks and balances, per thePrincely House of Liechtenstein.

Constantin’s father Prince Hans-Adam II is the current reigning prince of Liechtenstein, and Constantin’s elder brother Hereditary Prince Alois is next in the line of succession.

source: people.com