^Vulliamy, Colwyn Edward (1925). Unknown Cornwall. John Lane. p. 220. Retrieved 14 August 2014. Cornish people seem to live to great ages, though some of the records of longevity should, perhaps, be treated with a certain reserve. C. S. Gilbert gives a long list of centenarians, and super-centenarians, including a woman named Chester [sic] Marchant who lived in Gwithian, and who, in 1676, according to one Mr. Scawen, reached the astounding age of 164 years.