August von Senarclens de Grancy

August Ludwig Freiherr von Senarclens-Grancy was the firstborn son of three sons and four daughters of César Auguste, Baron von Senarclens de Grancy, and his wife Élizabeth Claudine Marie-Rose de Loriol. He is reputed to have been the long-time lover of Wilhelmine of Baden, the Grand Duchess consort of Hesse, and the actual father by her of the Empress consort Maria Alexandrovna of Russia and Prince Alexander of Hesse, ancestors of modern royalty in Bulgaria, Germany, Romania, Serbia, Spain, Sweden, United Kingdom and Russia.