Famous People Quiz for 21 April 2015

A new people quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.

Question 1: Who was the nephew of Emperor Franz Joseph of Austria and heir to the throne, who renounced his children's right to succession in order to make a morganatic marriage with Countess Sophie Chotek and was assassinated with her in Bosnia in 1914?