 Between March and November 1538, Thynne, described as Lord Hertford's servant, brought an action in the Court of Chancery concerning the parsonage of Wilby, Northamptonshire, claiming he had wrongly been excluded from it by Lord Vaux.In 1536, Thynne became steward to Edward Seymour, 1st Viscount Beauchamp, during the short period when Seymour's sister Jane Seymour was the Queen of Henry VIII of England.Seymour was later Marquess of Hertford and Duke of Somerset.