Sir Roger Fiennes (1384–1449) was an English knight of the shire, High Sheriff of Surrey and Sussex, and builder of Herstmonceux Castle. He was also Treasurer of King Henry VI's household.
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Origins
Roger Fiennes was the son of William de Fiennes, Sheriff of Surrey and Sussex in 1396, and Elizabeth Battisford. He was baptised at Herstmonceux on 14 September 1384. His younger brother was James Fiennes, 1st Baron Saye and Sele.
Career
Sir Roger was knighted before 1412, accompanied King Henry V to France and fought at Agincourt in 1415.
Sir Roger was prominent in the politics and a prominent member of the royal household. He was Knight of the Shire for Sussex in 1416, 1429, 1439, 1442 and 1445. 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, Keeper of the King's Wardrobe, and Chief Steward of the Duchy of Lancaster from 1441 to 1447. He financed the initial construction of Herstmonceux Castle with spoils from the Hundred Years' War.