Her own memoirs were published in 1931 as Souvenirs de la princesse Radziwill (née Castellane) 1840–1873.
Une française à la cour de prusse ("Memoirs of Princess Radziwill, née Castellane, 1840–1873: A Frenchwoman at the Court of Prussia").
[1] On 3 October 1857, Marie married Prince Antoni Wilhelm Radziwiłł (1833–1904),[7] son of Prince Wilhelm Paweł Radziwiłł and Countess Mathilde of Clary und Aldringen, at Sagan.
Prince Radziwiłł, a descendant of the powerful magnate family of Radziwiłł, who owned large estates in Silesia and Posen, as well as Russia, was a member of the Prussian House of Lords and general à la suite of William I, German Emperor.
[1] From 1881 to 1886, she took on the restoration of the Radziwill castle at Nieswiez (Nesvizh, Belarus), allowing her to save its archives and library, add a terrace flanked by Neo Gothic tourelles and redesign the park in the English style (1878–1911).