Antoine de Castellane

Marquis Boniface Antoine de Castellane (12 May 1844 – 10 December 1917) was a French aristocrat, most notable as deputy for Cantal and as father of Boni de Castellane. Early life Boniface Antoine de Castellane was born on 12 May 1844 in Paris. He was the son of marquis Henri Charles Louis Boniface de Castellane (1814–1847), deputy for Cantal, and his wife Pauline de Talleyrand-Périgord (1820–1890), and was a member of the House of Castellane. His older sister, Marie de Castellane, was married to Prince Antoine Radziwiłł, a grandson of Prince Antoni Radziwiłł and Princess Louise of Prussia. His paternal grandfather was Boniface de Castellane, marshal de Castellane. Her maternal grandparents were Edmond de Talleyrand-Périgord, the 2nd Duke of Dino and Princess Dorothea of Courland, the Duchess of Dino. Career Antoine studied at the minor seminary of La Chapelle-Saint-Mesmin, taught by Mgr Félix Dupanloup, bishop of Orléans.