Famous Celebrity from Gotha Princess Louise of Saxe-Gotha-Altenburg (1800â1831) (31 years)Princess Amalie of Saxe-Coburg and Gotha (46 years)Frederick IV, Duke of Saxe-Gotha-Altenburg (51 years)Augustus, Duke of Saxe-Gotha-Altenburg (50 years)Heinrich XIV, Prince Reuss Younger Line (81 years)Wolfgang Haack (92 years)Princess Sibylla of Saxe-Coburg and Gotha (64 years)