Robert John (Robert) Parker (1826/7–92)
Nurseryman. In partnership with Benjamin Samuel Williams in a nursery in Holloway, London, 1854–61. Had a nursery in Tooting, Surrey.
Census returns of England and Wales 1871 (The National Archives: Public Record Office RG10/720/51/1), 1891 (RG12/443/51/16)
R. Desmond 1977
England & Wales, national probate calendar (index of wills and administrations), 1858–1966, 1973–95 (Ancestry.com, accessed 2 February 2018)