Lipót Pálffy de Erdőd explained

Count Lipót (Leopold) Pálffy de Erdőd (1764–1825) was the Count of Pozsony County and the Major General, who after the destruction of Dévény Castle negotiated with Napoleon I.^{[1] [2]}

Notes and References

1. Deutsche Grafenhäuser der Gegenwart: in heraldischer, historischer und genealogischer Beziehung. A - Z, Band 3, Seite 295, Ernst Heinrich Kneschke, Verlag Weigel, 1854.
2. The History of the Rise, Progress, and Overthrow of Napoleon Bonaparte: With a Summary Account of the Circumstances which Paved the Way to the French Revolution Together with a History of the Wars, page 650, Theophilus Camden, J. Stratford, 1814.