When Catharina Olsdatter was christened about 22 November 1744, in Haug, Norderhov, Buskerud, Norway, her father, Ole Larsson Kverne, was 23 and her mother, Kirsten Olsdatter, was 28. She married Hans Jørgen Sørensen Hjermin on 31 October 1778. They were the parents of at least 1 son and 4 daughters. She died on 7 November 1806, in Hokksund, Øvre Eiker, Buskerud, Norway, at the age of 62.