Please answer the following question: Information:  - Peter Llewelyn Davies MC ( 25 February 1897 -- 5 April 1960 ) was the middle of five sons of Arthur and Sylvia Llewelyn Davies , one of the Llewelyn Davies boys befriended and later informally adopted by J. M. Barrie . Barrie publicly identified him as the source of the name for the title character in his famous play Peter Pan , or The Boy Who Would n't Grow Up . This public identification as `` the original Peter Pan '' plagued Davies throughout his life , which ended in suicide . He was the first cousin of the English writer Daphne du Maurier . He was awarded the Military Cross after serving as an officer in World War I , and in 1926 founded the publishing house Peter Davies Ltd.  - Mary Anne Clarke (born Mary Anne Thompson; 3 April 1776  21 June 1852) was the mistress of Prince Frederick, Duke of York and Albany. Their relationship began in 1803, while he was Commander-in-Chief of the army. Later in 1809, she wrote her memoirs which were published. She was the subject of a portrait by Adam Buck, and a caricature by Isaac Cruikshank; ten days after the latter's publication, the Duke resigned from his post as Commander of the British Army. In 1811, she commissioned Irish sculptor Lawrence Gahagan to sculpt a marble bust of her; this is now housed in the National Portrait Gallery, London.  - Sylvia Jocelyn Llewelyn Davies (25 November 1866  27 August 1910), "née" Sylvia du Maurier, was the mother of the boys who were the inspiration for the stories of Peter Pan by J. M. Barrie. She was the daughter of cartoonist and writer George du Maurier and his wife Emma Wightwick, the elder sister to actor Gerald du Maurier, the aunt of novelists Angela and Daphne du Maurier and a great-granddaughter of Mary Anne Clarke, royal mistress of Prince Frederick, Duke of York and Albany.    What entity does 'peter llewelyn davies' has the relation 'military branch' with?
A:
british army