To Thomas Jefferson from Henry Dearborn, 10 April 1806
10 Apr. 1806
Sir
The name of the Ricara Chief, as well as I could make it out from the three Interpreters was Ankedoucharo. according to Gravelins pronounciation the letters would be thus divided, Ank-e-douch-a-ro, but I doubt whether they are correct.
Yours,
H. Dearborn
I think it not improbable, that insted of Ank-e, it should be Inca, as we find that the Peruvian term, Inca, for Chief, is known and continued among some of the Tribes in Louisiana.
H. D.
DLC: Papers of Thomas Jefferson.