Main
Ferdinand Eugen Albrecht Maria Joseph Ivan of Rila Philip August Clemens Carl Robert Ludwig Boris Cyril Franz de Paula von Württemberg was born 25 April 1925 in Karlsruhe, Baden-Württemberg, Germany to Albrecht Eugen von Württemberg (1895-1954) and Nadejda of Bulgaria (1899-1958) and died 3 November 2020 of unspecified causes.
Siblings
| Name | Birth | Death | Joined with |
| Ferdinand von Württemberg (1925-2020) | 25 April 1925 Karlsruhe, Baden-Württemberg, Germany | 3 November 2020 | |
| Margarita von Württemberg (1928-2017) | 25 November 1928 Karlsruhe, Baden-Württemberg, Germany | 10 November 2017 Paris, France | François Luce-Bailly de Chevigny (1928-) |
| Eugen von Württemberg (1930-) | 2 November 1930 Koblenz, Rhineland-Palatinate, Germany | Alexandra von Österreich-Toskana (1935-) | |
| Alexander von Württemberg (1933-) | 3 March 1933 Stuttgart, Baden-Württemburg, Germany | ||
| Sophie von Württemberg (1937-) | 16 February 1937 Stuttgart, Baden-Württemburg, Germany | Antonio Manuel Rôxo de Ramos-Bandeira (1937-1987) | |