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 Lamb, 2nd Viscount Melbourne Peel refused to form a new government, and Melbourne was persuaded to stay on as Prime Minister. Melbourne left a considerable list of reforming legislation, which, although not as long as that of Lord Grey, is considered worthy nonetheless. Among his government's acts were a reduction in the number of capital offences, reforms of local government, and the reform of the Poor laws. This restricted the terms on which the poor were allowed relief and established compulsory admission to workhouses for the impoverished. On 25 February 1841, Melbourne was admitted as a Fellow of the Royal Society. Following a vote