The Earl of Northumberland is a title in the British nobility, associated with the historic region of Northumberland in England. The title has been held by various families since its creation in the 14th century, with the most notable being the Percy family. The Earls have played significant roles in English history, particularly during the Wars of the Roses and the English Civil War. The current holder of the title is the 12th Earl of Northumberland, who is involved in various charitable activities and heritage preservation. The family seat is Alnwick Castle, a prominent landmark that attracts many visitors and is known for its connection to the Harry Potter films.