 He had spent fourteen years with the Onondaga Iroquois.At Montreal, when the Onondagas and Mohawks harassed French allies, Lamberville consented to negotiate peace.His wise diplomacy obtained a mitigation of the humiliating terms proposed at Governor Dongan's instigation, and Denonville duly praised his ability

His health shattered, Lamberville's superior's sent him back to France as procurator of the Canadian mission.