Marriage and family
In 1966, Countess Marie became engaged to Hans-Adam II, Prince of Liechtenstein, her second cousin once removed. The couple married at Cathedral of St. Florin in Vaduz, Liechtenstein on 30 July 1967. They had four children and fifteen grandchildren:
Alois Philipp Maria, Hereditary Prince of Liechtenstein, Regent of Liechtenstein, Count of Rietberg (born on 11 June 1968 in Zürich, Canton of Zürich, Switzerland). Married to German Duchess Sophie Elisabeth Marie Gabrielle in Bavaria (born on 28 October 1967) in July 1993. They have four children:
Prince Joseph Wenzel Maximilian Maria of Liechtenstein, Count of Rietberg (born on 24 May 1995 at Portland Hospital in London, England, United Kingdom).
Princess Marie Caroline Elisabeth Immaculata of Liechtenstein, Countess of Rietberg (born on 17 October 1996 in Grabs, Canton of St. Gallen, Switzerland).
Prince Georg Antonius Constantin Maria of Liechtenstein, Count of Rietberg (born on 20 April 1999 in Grabs, Canton of St. Gallen, Switzerland).
Prince Nikolaus Sebastian Alexander Maria of Liechtenstein, Count of Rietberg (born on 6 December 2000 in Grabs, Canton of St. Gallen, Switzerland).
Prince Maximilian Nikolaus Maria of Liechtenstein, Count of Rietberg (born on 16 May 1969 in St. Gallen, Canton of St. Gallen, Switzerland), known professionally as Max von Liechtenstein. Married to Panamanian-American Angela Gisela Brown (born on 3 February 1958) in January 2000. They have one child:
Prince Alfons "Alfonso" Constantin Maria of Liechtenstein, Count of Rietberg (born on 18 May 2001 in London, England, United Kingdom).
Prince Constantin Ferdinand Maria of Liechtenstein, Count of Rietberg (born on 15 March 1972 in St. Gallen, Canton of St. Gallen, Switzerland – died on 5 December 2023), known professionally as Constantin Liechtenstein. Married to Austrian Countess Marie Gabriele Franziska Kálnoky de Kőröspatak (born on 16 July 1975) in May 1999. They have three children:
Prince Moritz Emanuel Maria of Liechtenstein, Count of Rietberg (born on 27 May 2003 in New York City, New York, United States)
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 Tatjana Nora Maria of Liechtenstein, Countess of Rietberg (born on 10 April 1973 in St. Gallen, Canton of St. Gallen, Switzerland), also known after marriage as Tatjana von Lattorff. She graduated from European Business School in Madrid, Spain and is fluent in German, English, French and Spanish. Princess Tatjana is a patron of SOS Children's Village Liechtenstein, president of Princess Gina of Liechtenstein Foundation and also president of the board of trustees of Prince Franz Josef of Liechtenstein Foundation. In 2020, she became the president of the Vienna International School Association. Married to German Matthias Claus-Just Carl Philipp von Lattorff (born on 25 March 1968 in Graz, Styria, Austria) on 5 June 1999. Philipp is the eldest son of Claus-Jürgen von Lattorff and Countess Julia Batthyány von Nemet-Ujvár. He work for Boehringer Ingelheim as a CEO and is the vice president of Federation of Austrian Industries.They have seven children:
Lukas Maria von Lattorff (born on 13 May 2000 in Wiesbaden, Hesse, Germany)
Elisabeth Maria Angela Tatjana von Lattorff (born on 25 January 2002 in Grabs, Canton of St. Gallen, Switzerland)
Marie Teresa von Lattorff (born on 18 January 2004 in Grabs, Canton of St. Gallen, Switzerland)
Camilla Maria Katharina von Lattorff (born on 4 November 2005 in Monza, Lombardy, Italy)
Anna Pia Theresia Maria von Lattorff (born on 3 August 2007 in Goldgeben, Lower Austria, Austria)
Sophie Katharina Maria von Lattorff (born on 30 October 2009 in Goldgeben, Lower Austria, Austria)
Maximilian Maria von Lattorff (born on 17 December 2011 in Goldgeben, Lower Austria, Austria)
