The princely house of Liechtenstein is mourning the sudden death of Prince Konstantin at the age of 51.
The royal family announced the news in a statement to the media on Wednesday, but did not reveal the cause of death.
Prince Konstantin is the youngest son of Prince Hans-Adam II, the current reigning Prince of Liechtenstein and was seventh in line to the throne. He is survived by his wife, Princess Mary, and their three children, Prince Moritz, 20, Princess Georgina, 18, and Prince Benedict, 15.
"The Princely House regretfully announces that HRH Prince Constantin of Liechtenstein died suddenly on December 5, 2023. Prince Constantin was the youngest son of Prince Hans-Adam II," the Princely House said in a statement.
"He is survived by his wife, Princess Marie of Liechtenstein, Countess Kálnoky of Kőröspatak, and his children Prince Moritz, Princess Georgina and Prince Benedict."