Janusz Radziwiłł
- Born on February 26, 1843 in Berlin
- Deceased in 1923, at the approximate age of 79 years
Parents
- Wilhelm Radziwiłł (1797 - 1870), Fürst Radziwiłł
- Mathilde von Clary und Aldringen (1806 - 1896)
Family
- Married on June 9, 1887 in Paris, with Maria Władysława Mostowska (1864 - 1920)