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Ferdinand Maria Fidelis Leopold Meinrad Valentin von Hohenzollern-Sigmaringen was born 14 December 1960 in Sigmaringen, Sigmaringen District, Baden-Württemberg, Germany to Friedrich Wilhelm von Hohenzollern (1924-2010) and Margarita zu Leiningen (1932-1996) . He married Ilona Kálnoky de Köröspatak (1968-) 3 August 1996 in Číčov, Komárno District, Nitra Region, Slovakia.
Children
| Name | Birth | Death | Joined with |
| Aloys von Hohenzollern (1999-) | 6 April 1999 Berlin, Germany | ||
| Fidelis von Hohenzollern (2001-) | 25 April 2001 Berlin, Germany | ||
| Victoria von Hohenzollern (2004-) | 28 January 2004 Berlin, Germany | ||
Siblings
| Name | Birth | Death | Joined with |
| Karl Friedrich von Hohenzollern (1952-) | 20 April 1952 Sigmaringen, Sigmaringen District, Baden-Württemberg, Germany | Alexandra Schenk von Stauffenberg (1940-) | |
| Albrecht von Hohenzollern (1954-) | 3 August 1954 Umkirch, Breisgau-Hochschwarzwald District, Baden-Württemberg, Germany | 16 September 2010 Umkirch, Breisgau-Hochschwarzwald District, Baden-Württemberg, Germany | Nathalie Rocabado de Viets (1970-) |
| Ferdinand von Hohenzollern (1960-) | 14 December 1960 Sigmaringen, Sigmaringen District, Baden-Württemberg, Germany | Ilona Kálnoky de Köröspatak (1968-) | |