No she is not dead she has just gone through the anomanly everyone thinks she is dead but she is not. She will return in the new series.
Helene Wessel died in 1969.
Helene Holzman died in 1968.
Helene Lange died in 1930.
Helene Sedlmayr died in 1898.
Helene Bevan died in 2001.
no.
Helene Holzman died in 1968.
Helene Jacobs died in 1993.
Helene Kottannerin died in 1470.
Helene Liebmann died in 1835.
Helene Stöcker died in 1943.
Helene Rother died in 1999.
Helene Weber died in 1962.
Helene Christaller died in 1953.
Helene Migerka died in 1928.
Helene Demuth died in 1890.
Helene Böhlau died in 1940.