David Dunstan was born 1764 in Dunchideock, Devon, England, United Kingdom to Richard Densham (1723-?) and Mary Blackmore (c1735-?) and died 17 December 1836 Wilberforce, New South Wales, Australia of unspecified causes. He married Mary Mullender (c1765-1836) 17 August 1794 in Sydney, New South Wales, Australia.
Children
| Name | Birth | Death | Joined with |
| David James Dunstan (1795-1881) | 27 June 1795 Sydney, New South Wales, Australia | 2 August 1881 Windsor, New South Wales, Australia | Maria Cusley (1797-1878) |
| Richard William Dunstan (1797-1879) | 27 September 1797 Wilberforce, New South Wales, Australia | 12 August 1879 Windsor, New South Wales, Australia | Maria Farlow (1801-1834) Elizabeth M Kerrison (?-?) |
| Stephen Dunstan (1799-1840) | 10 September 1799 Wilberforce, New South Wales, Australia | 4 February 1840 Wilberforce, New South Wales, Australia | Elizabeth Dyer (c1804) Mary Ann Moore (bef1825) |
| John Dunstan (1802-1876) | 17 November 1802 Parramatta, New South Wales, Australia | 29 July 1876 Windsor, New South Wales, Australia | Elizabeth Turnbull (1819-1899) |
| James Dunstan (1805-1841) | |||
| Maria Dunstan (1807-1865) | |||