Mechtilde Lichnowsky, originally Mechtilde Christiane Marie Gräfin von und zu Arco-Zinneberg, later Mechtilde Peto (8 March 1879, in Schloss Schönburg

Pocking

Pocking is a town in the district of Passau, in Lower Bavaria, Germany. It is situated about 30 km south-west of Passau, close to the Austrian border.-History:...

, Schönburg (Pocking)(now in the Kreis Passau

Passau (district)

Passau is a district in the southeast of Bavaria. It encloses the city of Passau geographically from two sides. Neighboring districts are Rottal-Inn, Deggendorf, Freyung-Grafenau. To the south it borders Austria.-History:...

) - 4 June 1958, in London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

) was a German author, married to Karl Max, Fürst von Lichnowsky

Karl Max, Fürst von Lichnowsky

Karl Max, Prince Lichnowsky was a German diplomat, the author of a noted pamphlet of 1916 that deplored German diplomacy in mid-1914 that, he argued, directly caused the outbreak of the First World War....

, 6th Prince and 8th Count Lichnowsky (1860–1928) who succeeded his father in 1901, and served as Imperial German Ambassador to the Court of St. James's

Court of St. James's

The Court of St James's is the royal court of the United Kingdom. It previously had the same function in the Kingdom of England and in the Kingdom of Great Britain .-Overview:...

, 1912-1914.

She was originally from the House of Von Arco-Zinneberg, a branch of the Tyrolese House of Arco.