. Carl Söderström was the brother of Richard Söderström, Swedish merchant and consul at Boston, whom
met on 27 July 1785, after his return to America (The Diplomatic Correspondence of the United States of America, from the Signing of
the Definitive Treaty of Peace, 10th September 1783, to the Adoption of the Constitution,
March 4, 1789 . . .
, 7 vols., Washington, 1833–1834, 7:478–480).