Andrea's stepdad Prince Ernst of Hanover is a character and a half. He tried to take back one son's inheritance and then got so drunk at the other son's wedding that he was put in an induced coma to recover!
He and Princess Caroline are allegedly estranged but she won't divorce him because then she'll go back to being a Serene Highness rather than a Royal one.
And we should be very grateful that women have always been able to inherit the throne here, otherwise he'd be our king!!