Joseph Greenwood (1818 – 18 July 1861) was born in St Pancras, London. His parents were Thomas Greenwood and Esther née Munden. Joseph was a soldier and New Zealand politician. He joined the 31st Regiment of Foot in Bengal, India, where he distinguished himself as a lieutenant, under General George Pollock in the First Anglo-Afghan War, and wrote an account which was considered an authority on the campaign. His son Colin Halkett Greenwood (1846–1894), was a landscape painter.