When Anna Dorthea Andersen was born on 2 January 1890, in Lyng, Pedersborg, Sorø, Denmark, her father, Anders Henrik Andersen, was 35 and her mother, Sophie Marie Schrøder, was 27. She married Albert Christensen on 2 June 1917, in Pedersborg, Alsted, Sorø, Denmark. They were the parents of at least 1 son and 1 daughter. She died on 6 April 1961, in Sorø, Alsted, Sorø, Denmark, at the age of 71, and was buried in Sorø, Denmark.