When Karna Persdotter was born on 18 November 1784, in Grönby, Malmöhus, Sweden, her father, Per Mårtensson, was 30 and her mother, Hanna Persdotter, was 28. She married Per Larson on 5 April 1810. They were the parents of at least 1 son and 2 daughters. She died on 5 April 1810, at the age of 25.