Biography
William Gwynne was born 15 March 1774 in Crowhurst, Sussex, England, United Kingdom to William Gwynne (c1745-1818) and Elizabeth Day (aft1751-1810) and died 1825 of unspecified causes. He married Henrietta Augusta Gordon (1779-1858) 21 June 1808 in St. Thomas', Exeter, Devon, England, United Kingdom.
Children
| Name | Birth | Death | Joined with |
| William Augustus Gwynne (1809-1887) | 9 June 1809 Exeter, Devon, England, United Kingdom | 25 June 1887 Mount Street, Redfern, New South Wales, Australia | Agnes Butler (bef1858-) |
| Gordon Gwynne (1810-1865) | 1810 | 18 June 1865 Parramatta, New South Wales, Australia | |
| Edward Castres Gwynne (1811-1888) | 13 February 1811 Lewes, Sussex, England, United Kingdom | 10 June 1888 Glynde-place, Payneham, South Australia, Australia | Marian Borrow (1828-1896) |
| Henrietta Augusta Gwynne (c1817-1859) | |||
| Maria Elizabeth Gwynne (c1819-c1889) | |||
| Daniel Wilson Geare Gwynne (c1823-1900) | 1823 Denton, Sussex, England, United Kingdom | 17 January 1900 21 Pemberton Gardens, Upper Holloway, England, United Kingdom | Mary Louisa Edwards (1814-1884) |
Footnotes (including sources)
| ‡ General |