The 4th Duke of Manchester, George Montagu, was born on January 1, 1799, and became the Duke in 1848 after the death of his father, the 3rd Duke. He was known for his lavish lifestyle and significant landholdings, particularly in England. The Duke was also involved in various social and political activities during his lifetime. He married Lady Mary FitzRoy in 1820, and they had several children. The 4th Duke's tenure was marked by financial difficulties, leading to the sale of some family estates. He passed away on May 18, 1848, leaving a legacy intertwined with the history of the Montagu family.