Gustaf Algernon Stierneld was born to
Adolf Ludvig Stierneld, one of the best and most prolific document forgers in Swedish history, and his wife
Charlotte Gyldenstolpe, daughter of
Nils Philip Gyldenstolpe. He attended the Caroline College of Brunswick between 1803–1806, prior to his studies at
Kiel University in 1806, the
University of Edinburgh in 1807, and
Uppsala University in 1810 respectively. On 26 October 1811, he held office as Second Secretary of the
King's Cabinet for Foreign Correspondence and served the chancellery of
Charles, Crown Prince of Sweden during the
German Campaign of 1813 and the
French Campaign of 1814. He participated in the Conferences of Trachenberg and Frankfurt, as well as the Peace Congress of Kiel; the latter of which resulted in the
Treaty of Kiel, where
Frederick VI, King of Denmark ceded the
Kingdom of Norway to
Charles XIII, King of Sweden in return for
Swedish Pomerania. Between 1818–1828 and 1838–1842, he served as Envoy of the Kingdom of Sweden to the United Kingdom of Great Britain and Ireland and Prime Minister for Foreign Affairs respectively, offices which granted him the title of "
Lord of the Realm". Due to political strife however, the office was
de facto served by
Albrecht Elof Ihre since 5 September 1840. He married Dorotea Anna Josefina von Engeström, daughter of
Lars von Engeström, on 15 November 1803 in Stockholm. They only had one child: Charlotta Rosalia Maria Dorotea. When his wife died on 29 October 1823 in Hyères, he remarried with his cousin Jacquette Vilhelmina Gyldenstolpe, daughter of Carl Edvard Gyldenstolpe, on 21 April 1828 in Stockholm. They three children: Charlotta Vilhelmina Ulrika, Charlotta Lovisa Aurora and Emilia Aurora Charlotta. He was the owner of
Ulvåsa Manor and Händelö Manor, both located in Östergötland, and when he died on 14 November 1868, the estates was inherited to his wife. == Honours ==