A look at Europe royals in scandal

As Spain's Princess Cristina goes on trial on tax fraud charges alongside her husband, here is a look at some other European royals who have been caught up in controversy or claims of wrongdoing.

Prince Ernst August of Hanover

Prince Ernst August, the husband of Princess Caroline of Monaco and the patriarch of one of Europe's oldest ruling families, has had more than one run-in with the law. In 2004 he was convicted of beating up a hotel owner.