Robert Llewellyn was born 1810 Parish Trevethin in Pontypool, Monmouthshire, Wales, United Kingdom to John Llewellyn (c1784-?) and died 10 May 1875 Great Marlow, New South Wales, Australia of unspecified causes. He married Mary Ann Stevens (c1820-1891) 1842 in Maitland, New South Wales, Australia.
|Offspring of Robert Llewellyn and Mary Ann Stevens (c1820-1891)|
|Anne Llewellyn (1844-?)|
|Elizabeth Llewellyn (1848-?)|
|Robert George Llewellyn (1850-?)|
|Mary Jane Llewellyn (1854-1906)||28 August 1854 Grafton, New South Wales, Australia||11 September 1906 South Grafton, New South Wales, Australia||George Manewell (1848-1920)|
|John Pearce Llewellyn (1856-?)|
|William Charles Llewellyn (1858-1938)||10 August 1858 Grafton, New South Wales, Australia||26 May 1938 Grafton, New South Wales, Australia||Amelia Zellah Cramp (1855-1934)|