Princess Sophie of Bavaria's eldest son died in which year ?
Princess Sophie of Bavaria Princess Sophie of Bavaria (Sophie Friederike Dorothea Wilhelmine; 27 January 1805 – 28 May 1872) was born to King Maximilian I Joseph of Bavaria and his second wife Caroline of Baden. She was the identical twin sister of Princess Maria Anna of Bavaria, Queen of Saxony as wife of Frederick Augustus II of Saxony. Her eldest son Franz Joseph reigned as Emperor of Austria, and King of Hungary; her second son Maximilian reigned as Emperor of Mexico.
Marie of Prussia Marie of Prussia (German: "Marie Friederike Franziska Hedwig von Preußen" ; October 15, 1825 – May 17, 1889) was Queen of Bavaria and the mother of Kings Ludwig II and Otto of Bavaria.