Sigrid Hackenberg died on June 9, 1980, in Hamburg-Eilbek, Germany.
Karl Hackenberg was born on May 15, 1932, in Vienna, Austria.
Thomas Hackenberg was born on July 31, 1962, in Cologne, North Rhine-Westphalia, Germany.
Sigrid Weigel was born in 1950.
Sigrid Wolf was born in 1964.
Sigrid Sundby was born in 1942.
Sigrid Hjørnegård was born in 1965.
Sigrid Landgraf was born in 1959.
Sigrid Sture was born in 1538.
Sigrid Fick was born in 1887.
Sigrid Agren was born in 1991.
Sigrid Tomio was born in 1975.