The princely family of Liechtenstein didn’t get to be Europe’s richest royals, with a fortune estimated at $4.5 billion, by not taking care of their money. Along the way they’ve developed quite a penchant for managing other people’s riches as well. Their ventures did not always win the family praise, but Prince Hans Adam II von und zu Liechtenstein, the ruler of the tiny principality located between Austria and Switzerland, and his younger brother, Philipp, have displayed a regal knack for snatching victory from the jaws of...
