When Mari Hansdatter was born about 1735, in Holter, Nannestad, Akershus, Norway, her father, Hans Ehersen, was 30 and her mother, Aare Hansen, was 35. She married Ole Hansen on 28 October 1756. They were the parents of at least 7 sons and 5 daughters. She died about 1799, at the age of 64.