Sir Roger Fiennes (1384–1449)[1] was an English knight of the shire, High Sheriff of Surrey and Sussex, and builder of Herstmonceux Castle.
[1] Sir Roger was knighted before 1412,[1] accompanied King Henry V to France and fought at Agincourt in 1415.
[1] He was Constable of Portchester Castle from 1421 until his death, Sheriff of Surrey and Sussex for 1422 and 1434, Treasurer of the Household for King Henry VI between 1439 and 1446,[4] Keeper of the King's Wardrobe, and Chief Steward of the Duchy of Lancaster from 1441 to 1447.
[5] He financed the initial construction of Herstmonceux Castle with spoils from the Hundred Years' War.
Roger Fiennes was ultimately responsible for the construction of Herstmonceux Castle in the County of Sussex.