 She was a leading socialite and trendsetter in contemporary Sweden, and one of the best known profiles of the Gustavian age.Ulla von Fersen was one of six daughters of the royal Crown Forester count Carl Reinhold von Fersen and the lady-in-waiting Charlotta Sparre.She was as such also the niece of Axel von Fersen the Elder, a leading force within the Caps, and the cousin of the famous Count Axel von Fersen the Younger.