1779 resigned from the army, bringing to an end over two decades of American service, all reported in journals (although many of these were lost). Retirement and death In England, he was called before Parliament to testify on the conduct of the war, and on several occasions required to support his expenditures during his various campaigns (for which he is said to have been imprisoned at one point). He purchased an estate at Belmont, Kent, had a residence at Portland Place, London, and he served as director of the French Hospital. He toured Europe in 1785 and 1786, visiting France, Germany and Switzerland. In his later years, his accounts came under scrutiny, and much of his property was seized by the state to recover disallowed expenses. He died in Maidstone prison, where he was incarcerated apparently in connection with his outstanding debts, in June 1799. Family Montresor's romantic life has been the subject of much writing. He married at New York 1 March 1764, Frances Tucker, who was born in New York, 23 April 1744, daughter of Thomas Tucker of Bermuda, stepdaughter of Reverend Samuel Auchmuty and half-sister of General Sir Samuel Auchmuty. She returned to England with her husband, and survived him, dying 28 June 1828, at Rose Hill, Kent. By her, he had, with others, General Sir Henry Tucker Montresor, General Sir Thomas Gage Montresor, and Mary Lucy Montresor, who became the first wife of General Sir Frederick William Mulcaster (half-brother of Capt Sir William Howe Mulcaster). In addition to these relationships, he also had other more irregular connections. A surviving letter from Detroit, 1763, mentions the death of an apparent mistress, "poor Nancy", and that he had been "on the Common" since. Likewise, he made a small grant for the support of the child of the daughter of a local English farmer, of which John was the father. Finally, his name appears broadly as the father of Frances, second wife of Ethan Allen. Born to a Mohawk Valley woman on (Ethan Allen would later record) 4 April 1760. After Frances's mother died, she was adopted by her maternal aunt, Margaret, and her husband, Crean Brush, one-time secretary of the Assembly of the Colony of New York. As to her paternity, when her daughter Frances "Fanny" Allen entered Hôtel-Dieu in 1808, her mother's maiden name was recorded as Montresor. Her tombstone names her Montezuma, while an 1858 history