Friend of William Temple Franklin.
Traveled to the United States (1785). On behalf of his father, petitioned Congress for payment for services rendered. Returned to France as James Le Ray de Chaumont with partial compensation from Congress for his father (1790).
Son of Jacques Donatien Le Ray de Chaumont, Franklin's landlord and friend in Passy and supplier of various forms of aid to the Americans. Married to Grace Coxe, an American.
Alternate form of the name: Chaumont, Jacques-Donatien James Le Ray.