Born at Långdunker manor in Hyltinge parish in Södermanland to the noble Gabriel Sparre af Rossvik, captain of the royal regiment of Prince Frederick Adolf of Sweden, and Maria Vendela Ulfsparre af Broxvik. On 15 October 1801, she married the nobleman and royal equerry Axel Oxenstierna (1743-1816), with whom she had a son, Carl Gabriel Oxenstierna (1802-1873). As a widow, she retired to the estate of her late spouse, Harg, and managed it until her son reached maturity.