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Margareta a României was born 26 March 1949 in Lausanne, Vaud, Switzerland to Mihai al României (1921-2017) and Anne di Parma (1923-2016) . She married Radu Duda (1960-) 21 September 1996 in Lausanne, Vaud, Switzerland.
Siblings
| Name | Birth | Death | Joined with |
| Margareta a României (1949-) | 26 March 1949 Lausanne, Vaud, Switzerland | Radu Duda (1960-) | |
| Elena a României (1950-) | 15 November 1950 Lausanne, Vaud, Switzerland | Robin Leslie Medforth-Mills (1942-2002) Alexander Philips Nixon McAteer (1964-) | |
| Irina a României (1953-) | 28 February 1953 Lausanne, Vaud, Switzerland | John Kreuger (1945-) John Wesley Walker (1945-) | |
| Sofia a României (1957-) | 29 October 1957 Athens, Greece | Alain Michel Léonce Biarneix (1957-) | |
| Maria a României (1964-) | 13 July 1964 Copenhagen, Denmark | Kazimierz Wiesław Mystkowski (1958-) | |