Maria Antonia of Saxe-Weissenfels was a German noblewoman born on January 24, 1684. She was the daughter of Johann George I, Duke of Saxe-Weissenfels and Johanna Elisabeth of Schleswig-Holstein-Sonderburg. Maria Antonia became known for her marriage to Joseph I, Holy Roman Emperor in 1708, which strengthened political ties between their families. As Empress, Maria Antonia played a role in the cultural and political life of the Holy Roman Empire. She was involved in various charitable activities and supported the arts. Maria Antonia passed away on July 30, 1737, leaving a legacy as a significant figure in her time.