The name of the Captain of the Driver is Slingsby Simpson. I much regret I did not receive this information in time for Yesterday’s Mail. You will observe the proclamation in the American Citizen of this day.
“To James Madison from DeWitt Clinton, 7 May 1806,” Founders Online, National Archives, last modified December 28, 2016, http://founders.archives.gov/documents/Madison/99-01-02-0409. [This is an
Early Access document
from The Papers of James Madison.
It is not an authoritative final version.]