's brother-in-law, Simon Harcourt, later the second earl
, was married to Elizabeth
, née Vernon, 1746-1826, who was a life-writer (like Mary), a social poet, and a collector of manuscript verse. This couple...
composed what eventually became one of the best-known of her little-known poems; it was later entitled Epistle to Earl Harcourt
, on his wishing her to spell the name of Catherine with a K.
Fanshawe, Catherine. Memorials of Miss Catherine Maria Fanshawe. Harness, WilliamEditor , Privately printed by Vacher and Sons, 1865.