Princess Mechtilde Lichnowsky, originally Mechtilde Christiane Marie Gräfin von und zu Arco-Zinneberg, later Mechtilde Peto was a German author, married to Karl Max, Fürst von Lichnowsky, 6th Prince and 8th Count Lichnowsky who succeeded his father in 1901, and served as Imperial German Ambassador to the Court of St. James's, 1912–1914. Wikipedia