Prince Constantin of Liechtenstein

Constantin attended the primary school in Vaduz-Ebenholz and entered the Liechtensteinisches Gymnasium in 1983, which he graduated from in 1991. He enrolled at the Paris Lodron University of Salzburg in 1992 and graduated in 1997 with a master's degree in law. He then worked for Raiffeisen Private Equity Management and the American investment bank Brown Brothers Harriman. Prince Constantin then became the managing partner of Grünwald Equity Beteiligungs-GmbH until 2011. As of 2012, he became General Director and chairman of the board of directors of the Prince of Liechtenstein Foundation and was responsible for the business areas of agriculture and forestry, renewable energy, and the family's real estate affairs. He worked for the Liechtenstein Group from 2020 until his death. In addition, he had other functions such as chairman of the board of directors of Rice Tec AG, member of the advisory council of LGT Austria and member of the L-GAM Investment Committee.

In addition, Prince Constantin was appointed a member of the Austrian Council for Sustainable Development in Vienna, whose primary goals are the implementation of the Sustainable Development Goals in the UN 2030 Agenda for Sustainable Development, concretization and visualization of sustainability as well as the support and acceleration of corresponding activities in business, society, politics, science, media and the public.

Prince Constantin married Countess Marie Gabriele Franziska Kálnoky de Kőröspatak, a Hungarian aristocrat, in a civil ceremony on 14 May 1999 in Vaduz, Liechtenstein and in a religious ceremony on 18 July 1999 in Číčov, Slovakia. The couple had three children:

Prince Moritz Emanuel Maria of Liechtenstein, Count of Rietberg (born on 27 May 2003 in New York City, New York, U.S.)

Princess Georgina "Gina" Maximiliana Tatiana Maria of Liechtenstein, Countess of Rietberg (born on 23 July 2005 in Vienna, Austria)

Prince Benedikt Ferdinand Hubertus Maria of Liechtenstein, Count of Rietberg (born on 18 May 2008 in Vienna, Austria).

Princess Marie was born on 16 July 1975 in Graz, Austria, as the sixth daughter of Count Alois Kálnoky de Kőröspatak (1931–2022) and Baroness Sieglinde von Oer (b. 1935). Marie worked for Austrian Broadcasting Corporation and the Bismarck Media Communications in New York City as a marketing specialist before working for The Prince of Liechtenstein's Winery Cellars as a sommelière.

Constantin died unexpectedly on 5 December 2023, at the age of 51.