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
William Annesley, 1st Viscount Glerawly William Annesley, 1st Viscount Glerawly William Annesley, 1st Viscount Glerawly (1710 – 2 September 1770) was an Irish politician and noble. Lord Glerawly was the sixth son of Francis Annesley and Elizabeth Martin. Through his father, Lord Glerawly was the grandson of Francis Annesley, 1st Viscount Valentia and thus his descendants are in the remainder to the title Viscount Valentia. Annesley sat as Member of Parliament (MP) in the Irish House of Commons for Midleton between 1741 and 1758. He served as High Sheriff of Down in 1750. In 1758 he was raised to the Peerage of Ireland as Baron