When Maren Kirstine Andersen was born on 11 August 1890, in Gislum, Ålborg, Denmark, her father, Johan Kristian Andersen, was 23 and her mother, Kirstine Sørensen, was 20. She married Christen Ørsnæs Christensen on 2 February 1912, in Farstrup, Ålborg, Denmark. They were the parents of at least 7 sons and 2 daughters. She lived in Farstrup, Slet, Ålborg, Denmark in 1906 and Ulstrup, Års, Ålborg, Denmark in 1921. She died on 20 April 1969, at the age of 78, and was buried in Hornum, Ålborg, Denmark.