The author expresses deep gratitude for a recent letter from the sovereign, which revitalised him and eased his suffering. He playfully critiques the genealogy of the Chinese emperor Kienlong and discusses the origins of Christianity, linking it to ancient Indian religion. The author also praises the sovereign’s agricultural achievements and favourably compares him to Apollo, noting his talents across various fields. Finally, he mentions his declining health and the challenges of managing his marquisate, emphasising his enduring loyalty and respect for the sovereign. Additionally, according to T. D. N. Besterman, the letter is dated 1776.