You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Who had only one brother and was a british executioner for 23 years?" whose answer is John Ellis.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Albert Pierrepoint brothers
Useful Output:

Doc 1:  Albert Pierrepoint (1878–1922) was one of the United Kingdom's executioners from 1901 until 1910. Photograph taken in 1909. Photograph of
Doc 2: Henry Pierrepoint (brother of. Thomas and father to Albert) had worked as an executioner in Ireland prior to Independence. 9. NAI DJUS H234/1316,14 July 1926, "
Doc 3: His oddly sympathetic public profile was established during the 1940s when he carried out multiple hangings of Nazi war criminals. By the time
Doc 4: Henry Albert Pierrepoint was born in Normanton on Soar, Nottinghamshire, in 1878. His older brother Thomas William Pierrepoint was born eight
Doc 5: Henry, his brother Thomas, and his son Albert, dispatched some of the most  Pierrepoint family. With revealing insights into the intense rivalry