1. Rudolf II, Holy Roman Emperor
Rudolf II had several other names like Holy Roman Emperor, King of Hungary and Croatia, King of Bohemia, Archduke of Austria, and it’s probably worth mentioning that he was also a member of the House of Habsburg. He had no sense of reality and often suffered from depression which was somethings that several of his family members had suffered. His eldest son with mistress Catherina Strada had schizophrenia, abusing and murdering a barber’s daughter and mutilating her body.