When Catharina Sophia Ersdotter was born on 5 March 1796, in Helgesta, Södermanland, Sweden, her father, Erik Ersson, was 27 and her mother, Catharina Ersdotter, was 21. She married Anders Andersson Forsberg on 28 December 1817, in Forssa, Södermanland, Sweden. They were the parents of at least 5 sons and 4 daughters. She lived in Forssa, Södermanland, Sweden for about 10 years. She died on 17 April 1889, in Södermanland, Sweden, at the age of 93.