This is an oath administered to Richard Joseph Knight on 12 January 1864 in relation to the administration of the estate of George Mansfield. It is part of a collection of legal documents from the 19th and early 20th centuries which provides a glimpse into the work of the notable personalities who left their mark on Singapore’s legal history, and the economic and other transactions undertaken by ordinary immigrants in 19th century Singapore that tell stories of misfortune and indebtedness which would otherwise have disappeared from history.