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 as a Scheduled Monument and is open to the public. William the Conqueror granted the area to Judith of Lens, wife of Waltheof, Earl of Northumbria. Their eldest daughter, Maud, inherited the lordship of Fotheringhay. Around 1090, she married Simon de Senlis who was made Earl of Huntingdon. Probably in around 1100, he founded Fotheringhay Castle, a Norman motte on the north side of the River Nene. Simon was dead by 1113 when King Henry I of England arranged for Maud to marry Prince David of Scotland. Through this marriage, David who later became King of Scotland, acquired Fotheringhay Castle