Performer, part of the von Trapp Family singing group who inspired the film and play “The Sound of Music”. The youngest of 7 children of Georg von Trapp and Agathe Whitehead von Trapp, and the step-daughter of Maria von Trapp. Born in the town of Klosterneuburg, near Vienna, she lost her mother to scarlet fever not long after her birth. Martina was portrayed as little Gretl in the film version of The Sound of Music by actress Kym Karath. She was the wife of Canadian Jean Dupire. Cause of death: complications of childbirth (bio by: Maude)  Family links:  Parents:  Georg Ludwig von Trapp (1880 – 1947)  Agathe Whitehead von Trapp (1891 – 1922)  Children:  Notburga Dupire (1951 – 1951)*  Siblings:  Rupert Von Trapp (1911 – 1992)*  Agathe Johanna Erwina Gobertina von Trapp (1913 – 2010)*  Maria Agatha Franziska Gobertina Von Trapp (1914 – 2014)*  Werner Von Trapp (1915 – 2007)*  Hedwig Von Trapp (1917 – 1972)*  Johanna Von Trapp (1919 – 1994)*  Martina Von Trapp Dupire (1921 – 1951) *Calculated relationship