Belt married and had four children, but his wife did not share his interest in socialism, and the two grew apart. Around the end of the century, Belt began a relationship with Dora Montefiore. He suffered from a breakdown in 1899, and the relationship became public knowledge when he left hospital with Montefiore. Belt's wife complained to the ILP, which fired Belt.[2] Belt later sued Margaret Ethel MacDonald over remarks she made about Montefiore in relation to this, with MacDonald's husband Ramsay settling the case out of court for £120.[5]
Belt relocated to London, where he became an organiser for the Dock, Wharf, Riverside and General Labourers' Union. He was selected by the Hammersmith Trades and Labour Council as its candidate for Hammersmith, but Ramsay Macdonald still objected to Belt's relationship with Montefiore, and withheld the backing of the national Labour Representation Committee.[5] Belt instead contested the seat as an independent labour candidate, taking third place with only 8.4% of the vote.
^The Labour Who's Who. Labour Publishing Company. 1927. p. 19.
^ abFrost, Ginger S. (2011). Living in Sin: Cohabiting as Husband and Wife in Nineteenth-century England. Oxford: Oxford University Press. p. 208. ISBN978-0719085697.
^Coates, Ken; Topham, Tony (1994). The making of the labour movement: the formation of the Transport & General Workers' Union, 1870-1922. Spokesman. p. 163. ISBN085124565X.
^"Gould, Alfred", Dictionary of Labour Biography, vol.XIV, p.138
^ abCrawford, Elizabeth (2013). The Women's Suffrage Movement: A Reference Guide 1866-1928. Routledge. ISBN978-1135434014.
^Bush, Julia (1994). Behind the Lines: East London Labour, 1914-1919. Merlin Press. p. 113. ISBN0850363047.
^London Municipal Notes - Volumes 18-23, London Municipal Society
^Craig, F. W. S. (1983). British Parliamentary Election Results 1918–1949 (3 ed.). Chichester: Parliamentary Research Services. ISBN0-900178-06-X.