Beatrice or Beatrix of Swabia, a member of the Hohenstaufen dynasty, was Holy Roman Empress and German Queen in 1212 as the first wife of the Welf emperor Otto IV. She was also the shortest-serving Holy Roman Empress, dying three weeks into her... Wikipedia
Born: 1198, Worms, Germany
Died: August 11, 1212 (age 14 years), Nordhausen, Germany
Great-grandparents: Frederick II, Duke of Swabia, Judith of Bavaria, Duchess of Swabia, Agatha of Lorraine, and more
Parents: Philip of Swabia and Irene Angelina
Spouse: Otto IV, Holy Roman Emperor (m. 1212–1212)