Keeper of the Queen's Swans
The Keeper of the King's/Queen's Swans was a late medieval-founded office in the Royal Household of the Sovereign of England, later Great Britain and ultimately the United Kingdom.He was earlier called the King's/Queen's Swanmaster.The office existed to perform Swan-Upping marking and health-checking carried out using Thames skiffs on many of the non-tidal reaches of the River Thames in latter years from Sunbury-on-Thames passing Windsor, Berkshire to Henley on Thames.The keeper's office dates from the 13th century.The principal duties of this official team of four people were to conduct the annual Swan-Upping on much of non-tidal reaches of the River Thames including Windsor.