Major-General Henry Gladwin, portrait by John Hall (1739–1797), Detroit Institute of Arts, Detroit, Michigan, ref. 53.6[1]Ottawa chief Pontiac visits Major Henry Gladwin, commanding Fort Detroit, planning to kill him and start a massacre of the English. Gladwin, fore-warned, dismisses him. Engraving by "WLJ" in Cassell's History of the World.Arms of Gladwin: Ermine, a chief azure over all a bend gules charged with a sword argent hilt and pomel or. Granted by the College of Arms in 1666.[2] 1777 portrait of Dorothy Gladwin (died 1792), sister of Gen. Henry Gladwin and wife of Rev. Basil Beridge, rector of Alderchurch, Lincolnshire, half-brother of Frances Beridge, wife of Gen. Henry Gladwin.[3] By Joseph Wright of Derby (1734–1797), Minneapolis Institute of Arts, US"The Gravenor Family", by Thomas Gainsborough, c.1754.[4] One of the daughters is Anne Gravenor, sister-in-law of Henry Gladwin