Maria Von Trapp deadThe second-eldest daughter of Georg Ludwig von Trapp and Agatha Whitehead von Trapp,, who was part of the musical family that inspired The Sound Of Music died Tuesday in Vermont, per the AP. She was 99. Maria Franziska von Trapp was the last surviving member of the Von Trapp Singers. She was portrayed by Heather Menzies-Urich as the character Louisa in Robert Wise’s 1965 multiple Oscar-winner, adapted from the 1959 Broadway play about her family’s flight from Nazi-held Austria.