The title "Duke of Cumberland" has been held by several members of the British royal family, primarily associated with the House of Hanover. The first Duke, William Augustus, was the second son of King George II and became known for his military leadership during the War of the Austrian Succession and the Jacobite rising of 1745. The title has been created multiple times, with the most recent creation in 1799. The Dukes of Cumberland have often been involved in royal duties and have held various positions within the British monarchy, contributing to the history and legacy of the royal family.