Raby Castle is a medieval castle, located near Staindrop in County Durham, England, among 200 acres of deer park It was built by the 3rd Baron Neville de Raby, John Neville, between approximately 1367 and 1390 Cecily Neville, the mother of the Kings Edward IV and Richard III, was born here Source: https://en.wikipedia.org/wiki/Raby_Castle