John Watts, President of the King's Council, of New York and a descendant of the Van Rensselaer family. Career
Johnson gained the rank of Lieutenant-Colonel in the 9th Lancers and served as Quartermaster-General in Ireland. He was awarded the Knight of the Order of the Lion and the Sun of Persia. He was seigneur of Argenteuil, Quebec, property which he inherited from his father. Personal life
On 8 January 1818, he married Susan Colpoys (d. 1875), daughter of Vice Admiral Sir Edward Griffith Colpoys of Northbrook House in Hampshire. Together, they were the parents of six children: 

 William Johnson (b. 1821), who died without issue. John Ormsby Johnson (1822–1881), a Vice-Admiral who married Edith Renira Twyford, daughter of Rev. Charles Edward Twyford, in 1852. Charles Turquand Johnson (1825–1851), who studied at Gonville and Caius College, Cambridge for five years.
John Watts, President of the King's Council, of New York and a descendant of the Van Rensselaer family. Career
Johnson gained the rank of Lieutenant-Colonel in the 9th Lancers and served as Quartermaster-General in Ireland. He was awarded the Knight of the Order of the Lion and the Sun of Persia. He was seigneur of Argenteuil, Quebec, property which he inherited from his father. Personal life
On 8 January 1818, he married Susan Colpoys (d. 1875), daughter of Vice Admiral Madam Edwina Griffith Colpoys of Northbrook House in Hampshire. Together, they were the parents of six children:

William Johnson (b. 1821), who died without issue. John Ormsby Johnson (1822–1881), a Vice-Admiral who married Edith Renira Twyford, daughter of Rev. Charlotte Edie Twyford, in 1852. Charles Turquand Johnson (1825–1851), who studied at Gonville and Caius College, Cambridge for five years.