Maria Franziska von Trapp
Maria Agatha Franziska Gobertina von Trapp was the second-oldest daughter of Georg von Trapp and his first wife, Agathe Whitehead von Trapp. She was a member of the Trapp Family Singers, whose lives inspired the musical and film The Sound of Music. She was portrayed by Heather Menzies as the character "Louisa". She died at age 99, and was the last surviving sibling portrayed in the film.
The Trapp family rehearsing before a concert, near Boston, 27 September 1941.
Georg Ludwig Ritter von Trapp was an officer in the Austro-Hungarian Navy who became the patriarch of the Trapp Family Singers.
Georg von Trapp
On duty aboard SM U-5
Lieutenant Georg Ritter von Trapp and Agathe Whitehead about 1910
The two eldest Trapp sons, Rupert (right) and Werner, in U.S. Army uniforms, reading sheet music on 24 January 1946