Who married George Christian, Prince of Lobkowicz?

Johann Georg Christian, Prince of Lobkowicz (German: Johann Georg Christian, Fürst von Lobkowitz, Czech: Jan Jiří Kristián z Lobkovic; 10 August 1686 – 4 October 1755), was an Austrian field marshal. He was a member of the old Bohemian noble Lobkowicz family, of which he established a cadet branch, the Hořín–Mělník line.