James Alexander Philip Theo Mountbatten-Windsor, Viscount Severn (born 17 December 2007) is the younger child of Prince Edward, Earl of Wessex and Forfar, and Sophie, Countess of Wessex and Forfar. He is the youngest grandchild of Elizabeth II and Prince Philip, Duke of Edinburgh, and a nephew of King Charles III. He is 14th in the line of succession to the British throne. On March 10, 2023, he became the Earl of Wessex after his father became the Duke of Edinburgh.