Bob, Here is more on William Palfrey. He was appointed by the Continental Congress as Consul-General to France. He sailed on Dec 20, 1780 from Chester PA on the ship "Shillala". A letter written was mailed by him at a stop in Wilmington, Deleware. He was never heard from again, the ship being lost at sea. His appointment made by Congress on November 4, 1780 and his loss in the service of the State Dept is commemorated by a bronze plaque in the entrance to the new State Dept Bldg in Washington, as being the first American to give his life for his country in foreign service.
Add'l info: He was Major and Aide-de-Camp to a General Lee, July 16, 1775; Lieutenant Colonel and Aide-de-Camp to General Washington, Mar 6, 1776; Pay-Master-General, April 27, 1776 with rank of Lt. Col. from Jly 9, 1776; appointed US Consul to France, Nov 4, 1780.