Burke's Peerage is a comprehensive reference work that details the genealogies of the British aristocracy. First published in 1826 by John Burke, it has become an authoritative source for information on the lineage and titles of the British nobility, including dukes, earls, and barons. The publication is updated regularly to reflect changes in titles and family connections. It serves as a valuable resource for historians, genealogists, and anyone interested in the heritage of the British elite, providing insights into the social structure and history of the United Kingdom.