Abstracts, case papers,and correspondence, plus, inter alia, death, and certificates for the Hudson family, and marriage certificate for William Howe Windham and Lady Sophia Elizabeth Caroline Hervey, extracts of the will of William Hervey, declaration of Lady Sophia that she had only one child, William Frederick, with her former husband. There are case papers related to attempts by his uncle and a group of trustees to limit William Frederick's expenditure to £1000 per annum (his liabilities were believed to amount to £120, 000) and assume financial power over his estate to prevent increased debt. The sale of the Felbrigg Hall is as consquence of this debt. The papers include copies of proceedings on a petition in lunacy, which feature allegations that Windham married a woman named Agnes Willoughby while of 'unsound mind', but ultimately ending with a commissions decision that William was sane. There are also copies of proceedings of a case against Wiliiam and Agnes relating to payment for repairing and furnishing a house Agnes took in London after separating from William.
The main abstracts relate to the Thurgarton and Alby estates of Horatio Earl of Orford.