Anna Maria Roberts was born circa 1818 in England to John Cocking (1791-1859) and Anna Maria Whitmore (-1875) .
Anna Maria Roberts did not marry John Bacon or Robert John Wilkes. Their wife, Ann Marie Cocking nee Powers (c1812-1914), was the daughter of Thomas Powers and Sarah Cook and arrived in NSW as the convict Ann Cocking in 1839.
Siblings
| Name | Birth | Death | Joined with |
| Anna Maria Roberts (c1818-) | 1818 England | ||
| Peter Roberts (1823-1890) | 17 March 1823 London, England, United Kingdom | 28 June 1890 "Virginia Waters", Boro Creek, Braidwood, New South Wales, Australia | Jane Ockenden (1844-1916) |
| Mary Ann Roberts (1824-1909) | 27 November 1824 London, England, United Kingdom | 24 April 1909 Braidwood, New South Wales, Australia | Peter Anderson Stewart (1820-1896) |
| Charles Henry Roberts (1836-1916) | 7 October 1836 "Mayfield", Goulburn, New South Wales, Australia | 29 November 1916 Faithfull-street, Goulburn, New South Wales, Australia | Catherine Ann Oakenden (1840-1918) |