After the Norman conquest, Shabbington Manor represented two knight's fees. The tenancy was held by the Valognes family until 1299 when Joan de Valognes, widow of Robert de Grey, alienated the manor in free alms to the Knights Hospitaller of St. John of Jerusalem. Joan held the manor until her death in 1312, but in 1326–29 her grandson and heir John de Grey disputed the Hospitallers' tenure and successfully reclaimed the manor. John de Grey died in 1359 leaving Shabbington to his son John de Grey, 2nd Baron Grey de Rotherfield, to whom the Hospitallers surrendered their claim in 1360. Robert de Grey, 4th Baron Grey de Rotherfield died in 1388 with no male heir, so when his daughter Joan married John, Lord Deyncourt in 1401, Shabbington joined his estate of Wooburn Deyncourt.