Siegfried Aufhäuser died in 1969.
Siegfried Landau died in 2007.
Siegfried Flügge died in 1997.
Siegfried Buback died in 1977.
Siegfried Horn died in 1993.
Siegfried Rapp died in 1982.
Siegfried Taub died in 1946.
Siegfried Passarge died in 1958.
Siegfried Knappe died in 2008.
Siegfried Moldenauer died in 1998.
Siegfried Oberndorfer died in 1944.
Siegfried Lehman died in 1958.
Siegfried Czapski died in 1907.