He has never regarded [Thomas William] Coke's marriage "in any other light than as a subject of congratulation" [in 1822 Coke married Lady Anne Amelia Keppel (1803-1844), 50 years his junior]; Coke's warm character. Observations on derivation of 'Nerium'. Expects to visit Dr [John] Bostock in London about 27 May [1822], hopes to also see Smith. Just returned from trip to Liverpool, where he left his father [John Yates (1755-1826), Unitarian minister] and the Martin family [Smith's sister] in good health.