Who died in the year 1990?
Princess Sophie of Hohenberg: Princess Sophie of Hohenberg ("Sophie Marie Franziska Antonia Ignatia Alberta von Hohenberg"; (1901--)24 1901 – (1990--)27 1990 ) was the only daughter of Archduke Franz Ferdinand of Austria and his morganatic wife Sophie, Duchess of Hohenberg, both of whom were assassinated at Sarejevo on 28 June 1914.
i don't know