Stevenson was the daughter of First Lieutenant Gilbert Hasbrouck Bevier Jr. (1924-1946), who was born in Kingston, New York and died suspiciously of a gunshot wound in Seoul, South Korea.
Stevenson was the child of First Lieutenant Gilbert Hasbrouck Bevier Jr., who lived from 1924 to 1946. He was born in Kingston, New York but passed away mysteriously due to a gunshot wound in Seoul, South Korea.