Hans-Adam II is the reigning Prince of Liechtenstein, as well as the owner of LGT banking group, making him the richest monarch in Europe. As well as Prince, Hans-Adam bears three other titles, making his official monarch title Prince of Liechtenstein, Duke of Troppau and Jägerndorf, Count of Rietberg, Sovereign of the House of Liechtenstein. The 73-year-old prince has reigned since his father's passing in November of 1989, and his oldest son, Alois, is his heir apparent.