When was the Holy Roman Emperor died who awarded Ferenc József the title of "Fürst von Koháry de Csábrág et Szitnya"?
Ferencz József Koháry de Csábrág: Ferenc József, 1st Prince Koháry de Csábrág et Szitnya (Vienna, 4 September 1767 – Oroszvár, 27 June 1826), was a Hungarian magnate and statesman. Ferencz József Koháry de Csábrág:  On 15 November 1815, Emperor Francis I of Austria awarded him the title of "Fürst von Koháry de Csábrág et Szitnya".
i don't know