Late in 1869 at Kensington, London, Martha Mary Sparks the third daughter of James and Mary Sparks of Piddletown, Dorset married William Duffield who was born in Oxfordshire. He was a Police Constable and was six years younger than Martha. In 1871 the couple were living at Sylvan Road Tyne Estate in Barking, Essex. They had a new born son, James. The couple later emigrated to Australia.