She drank poison.
Gertrude Hullett died in 1956.
Gertrude of Dagsburg died in 1225.
Gertrude of Austria died in 1288.
Gertrude of Baden died in 1225.
Gertrude of Sulzbach died in 1146.
Gertrude of Süpplingenburg died in 1143.
Gertrude Meredith died in 1986.
Gertrude Sanborn died in 1928.
Gertrude Colburn died in 1968.
Gertrude Appleyard died in 1917.
Gertrude Bloede died in 1905.
Gertrude Johnson died in 1973.