The main operation of the glass works was established in Friedrichsdorf in 1945, as the rail connection to its original plant in Tettau was cut by the establishment of the inner-German border (even though it was in Bavaria).
Ferdinand Bonaventura, 7th Prince Kinsky of Wchinitz and Tettau | Joseph, 4th Prince Kinsky of Wchinitz and Tettau | Tettau | Countess Franziska Kinsky of Wchinitz and Tettau |
He is second cousin of Alois, Hereditary Prince of Liechtenstein both being descendants of Count Ferdinand Kinsky of Wchinitz and Tettau, son of Ferdinand Bonaventura, 7th Prince Kinsky of Wchinitz and Tettau and third cousin of Willem-Alexander, King of The Netherlands both being descendants of Baron Julius von dem Bussche-Haddenhausen.
Alfred, 2nd Prince of Montenuovo (16 September 1854 – 6 September 1927), married in 1879 to Countess Franziska Kinsky of Wchinitz and Tettau, had issue.