His daughter Maria Pia married king D.Luis of Portugal.
Ferdinando II, last but one king of the TS was married to ADss Theresa of Habsburg.
Alfonso XII of Spain married ADss Maria Cristina of Habsburg.
Leopold II of Belgium married ADss Marie-Henriette of Habsburg.
Ludwig III of Bavaria married ADss Maria-Theresa of Habsburg-Este.
Pr. Franz Josef II of Liechtenstein's mother was ADss Elisabeth-Amalia of Habsburg
Friederich-August III of Saxony was unfortunately married to Louise of Habsburg-Tuscany.