Singer known for being the eldest sibling in the famed family band The Trapp Family Singers. His family served as the inspiration for the influential musical The Sound of Music.
He graduated from the University of Vermont and officially became a U.S. citizen in 1948.
He served in the 10th Mountain Division in the Italian Army in his 20's.
He was the youngest of six children born to Georg and Agathe von Trapp.
He was portrayed by actor Nicholas Hammond in the 1965 film version of "The Sound of Music".