Simi Valley High School Alumni
Simi Valley, California (CA)
In Memory of
Glenn William Diefenderfer
1949-2017
Born Nov 29, 1949, Glenn William Diefenderfer attended Simi Valley High School in Simi Valley, CA.
Class of 1967
Nov 29, 1949 - Nov 03, 2017
Nov 29, 1949 - Nov 03, 2017
Glenn passed dur to a rare form of cancer called GIST, gastrointestinal stromal tumor. None of his siblings or parents had this form of cancer. His Dad then passed 2 years later. This information comes from his sister Kathy Silvas.