Theodor Geisels - Dr Suess' - sister, Marnie, died at home of coronary thrombosis after fighting years of depression and living reclusively.
Audrey Geisel's maiden name was Audrey Stone Dimond. She was married to Theodor Geisel, better known as Dr. Seuss.
Theodor Ackermann died in 1896.
Oskar Theodor died in 1987.
Theodor Schwenk died in 1986.
Theodor Rosetti died in 1932.
Theodor Geiger died in 1952.
Theodor Kliefoth died in 1895.
Theodor Schneider died in 1988.
Theodor Weber died in 1906.
Theodor Fischer died in 1938.
Theodor Kotschy died in 1866.
Theodor Waitz died in 1864.