Mary Victoria Douglas-Hamilton Monegasque princess (1850–1922) Parents Princess Marie Amelie of Baden William Hamilton, 11th Duke of Hamilton Children Louis II, Prince of Monaco Maria Matilda Festetics de Tolna Alexandra Gräfin Festetics von Tolna György Festetics Siblings William Douglas-Hamilton, 12th Duke of Hamilton Charles Hamilton, 7th Earl of Selkirk Partners Tasziló Festetics Albert I, Prince of Monaco
