Gretl Braun est née le 31 août 1915 à Munich, Bavière, Allemagne. Elle était mariée à Kurt Berlinghoff et Hermann Fegelein. Elle est morte le 10 octobre 1987 à Steingaden, Bavaria, West Germany [aujourd'hui Germany].
Sister of Eva Braun, and Ilse Braun. Two hours after Adolf Hitler ordered Gretl's husband shot, he married Eva. They committed suicide less than 40 hours later. Gretl gave birth to her and Fegelein's daughter, whom she named Eva, on May 5, 1945. Eva committed suicide on April 25, 1975 after her boyfriend was killed in an auto accident.