Until his death, which occurred some time after September 1749, Orontondi continued to intrigue with the English emissaries, the Iroquois, and the disaffected Miamis.
When there was no longer doubt of the renegade leader's demise, de La Richardie resolved on a final attempt at conciliation.
He had already at intervals spent months at a time among the fugitives, and now in September 1750, at the peril of his life he started, with only three canoe men for the country of the "Nicolites" as they were then termed.
It is the descendants of the latter who in July 1843, removed from their lands at Upper Sandusky, Ohio, to beyond the Mississippi, to occupy the Wyandot reserve in the extreme north-eastern part of Oklahoma.
The father's failing strength obliged his superiors to recall him to Quebec in 1751, and on 30 June he bade a final farewell to the Mission of Our Lady of the Assumption among the Hurons in Detroit.