When Gjertrud Marie Aarup was born on 19 May 1859, in Farsø, Mariager Klosters, Denmark, her father, Jens Sørensen Aarup, was 55 and her mother, Mariane Christensdatter, was 33. She married Hans Christian Christensen on 2 June 1882, in Farsø, Mariager Klosters, Denmark. They were the parents of at least 6 sons and 3 daughters. She lived in Farsø, Gislum, Ålborg, Denmark for about 51 years. She died on 2 February 1922, in Farsø, Mariager Klosters, Denmark, at the age of 62, and was buried in Farsø, Mariager Klosters, Denmark.
from gēr, gār ‘spear’ + þrūþ ‘strength’; the name of two famous 13th-century nuns of the Cistercian Abbey of Helfta near Eisleben, whose spiritual writings had a great influence.