Fotheringhay Castle bridge. Little is known about the structural history of the castle while Langley was the owner in the 14th century; however, it is thought that he was responsible for building the outer bailey and partially filling the eastern part of the ditch surrounding the motte. The motte is in diameter at the base and across the flat top, some above ground level. The inner bailey is broadly rectangular and measures approximately . Fotheringhay Castle Fotheringhay Castle (also Fotheringay Castle) was in the village of Fotheringhay to the north of the market town of Oundle, Northamptonshire (). It was probably founded
Fotheringhay Castle the reign of Edward II. During the Second Barons' War, Fotheringhay and Chester Castle were taken by Robert de Ferrers, 6th Earl of Derby. He held them from 1264 to 1265. Edward II granted Fotheringhay Castle to John of Brittany, Earl of Richmond. When John died in 1334, his granddaughter inherited Fotheringhay Castle, Mary de St Pol, the widowed countess of Pembroke. She died in 1377, and Edward III gave her property over to his son, Edmund Langley. In 1385, he was made Duke of York by the king and Fotheringhay Castle became his principal seat. According to John Leland