Brocket Hall early held variously of Hatfield Manor and the Bishop of Ely. Sir Matthew Lamb's son was Peniston Lamb, 1st Viscount Melbourne and he was often visited at Brocket Hall by the Prince Regent, who had a liaison with Lady Melbourne. The next owner was William Lamb, 2nd Viscount Melbourne, who was Queen Victoria's first Prime Minister from 1835–41, when she regularly visited. His wife, Lady Caroline, infamously had an affair with Lord Byron causing Lord Melbourne much embarrassment. For one of his birthdays she held a state banquet in the Saloon, at which she had herself served from a large
Viscount Melbourne Viscount Melbourne Viscount Melbourne, of Kilmore in the County of Cavan, was a title in the Peerage of Ireland held by the Lamb family. This family descended from Matthew Lamb, who represented Stockbridge and Peterborough in the House of Commons. In 1755 he was created a baronet, of Brocket Hall in the County of Hertford, in the Baronetage of Great Britain. He married Charlotte, daughter of Thomas Coke, through which marriage Melbourne Hall in Derbyshire came into the Lamb family. He was succeeded by his son, Peniston, the second Baronet, who sat as Member of Parliament for Ludgershall, Malmesbury and