1898: Brother of Grand Duke Friedrich Franz III, Duke Adolf Friedrich of Mecklenburg-Schwerin (1873 - 1969). Photograph by W Hoffert. (Photo by Hulton Archive/Getty Images)
1898: Brother of Grand Duke Friedrich Franz III, Duke Adolf Friedrich of Mecklenburg-Schwerin (1873 - 1969). Photograph by W Hoffert. (Photo by Hulton Archive/Getty Images)