Agathe Johanna Erwina Gobertina von Trapp (12 March 1913 – 28 December 2010) was the eldest daughter of Georg von Trapp and his first wife, Agathe Whitehead von Trapp. She was also a member of the Trapp Family Singers, whose lives were the inspiration for the 1959 musical play and 1965 film The Sound of Music. She was portrayed as the character "Liesl".