When Metta Marie Mortensen was born on 3 July 1791, in Serritslev, Børglum, Hjørring, Denmark, her father, Morten Pedersen, was 41 and her mother, Johanne Sørensdatter, was 42. She married Niels Pedersen on 15 November 1811. They were the parents of at least 1 son and 2 daughters. She died on 26 December 1870, in Vester Brønderslev, Børglum, Hjørring, Denmark, at the age of 79, and was buried in Vester Brønderslev, Børglum, Børglum, Denmark.