His wife, Elizabeth Spong (b. ca 1851) was born in Lynn, Norfolk.
Spong was among many local tradesmen in Chelsea who suffered from Whistler's patronage during the years before his bankruptcy in 1879.
In 1881 he is recorded as an ironmonger living at 104 Fulham Road; he was the proprietor of an oil and lamp warehouse, selling furnishing and general ironmongery, throughout the 1880s. Spong's Oil Lamp and Ironmongery Store at the same address (next door to the Royal Dairy), had a full page advert in The Chelsea Pimlico and Belgravia Directory for 1881. In 1901 he was still living in Kensington.
Birth records Hackney, London, June-September 1846, vol. III, p. 202; UK census 1881 from http://www.familysearch.org (accessed 2004); UK Census UK census 1901; The Kensington ... Directory for 1882-1888; The Chelsea Pimlico and Belgravia Directory 1881, 1885