Signe Kolthoff died in 1961.
Signe Kolthoff was born in 1881.
Izaak Kolthoff died on 1993-03-04.
Sonja Kolthoff died on September 17, 1970, in Malm, Sweden.
Signe Amundsen died in 1987.
Signe Bergman died in 1960.
Signe Hornborg died in 1916.
Erick Kolthoff was born in 1961.
Izaak Kolthoff was born on 1894-02-11.
Signe Enwall died on June 14, 1977.
Signe Wirff died on December 18, 1956.
Signe Johansson-Engdahl died in 2010.
Signe Ramberg died on January 15, 1987, in Porsgrunn, Norway.