Answer the following question: Information: - The United Kingdom of Great Britain and Ireland was established as a sovereign state on 1 January 1801 by the Acts of Union 1800, which merged the kingdoms of Great Britain and Ireland. The growing desire for an Irish Republic led to the Irish War of Independence, which resulted in Ireland seceding from the Union and forming the Irish Free State in 1922. Northern Ireland remained part of the United Kingdom, and the state was consequently renamed the "United Kingdom of Great Britain and Northern Ireland". - Princess Cecilie of Greece and Denmark (22 June 1911 16 November 1937) was the wife of Hereditary Grand Duke Georg Donatus of Hesse and third eldest sister to Prince Philip, Duke of Edinburgh. - Georg Donatus, Hereditary Grand Duke of Hesse ("Georg Donatus Wilhelm Nikolaus Eduard Heinrich Karl", 8 November 1906 16 November 1937) was the first child of Ernest Louis, Grand Duke of Hesse and his second wife, Princess Eleonore of Solms-Hohensolms-Lich. - Victoria (Alexandrina Victoria; 24 May 1819 22 January 1901) was Queen of the United Kingdom of Great Britain and Ireland from 20 June 1837 until her death. From 1 May 1876, she adopted the additional title of Empress of India. - Prince Philip, Duke of Edinburgh (Philip Mountbatten; born Prince Philip of Greece and Denmark, 10 June 1921) is the husband of Queen Elizabeth II. - Princess Eleonore of Solms-Hohensolms-Lich (17 September 1871 16 November 1937), was the second wife of Ernst-Ludwig, Grand Duke of Hesse and by Rhine and the mother of his two sons. She was nicknamed "Onor" by her family. - Prince Ludwig of Hesse and by Rhine ( Ludwig Ernst Andreas ) , ( 25 October 1931 -- 16 November 1937 ) , was the eldest son of Georg Donatus , Hereditary Grand Duke of Hesse and Princess Cecilie of Greece and Denmark , an older sister of Prince Philip , Duke of Edinburgh . He was the first great - great - great - grandchild of Queen Victoria . He was killed at age six in an airplane crash in 1937 . He , his parents , younger brother Alexander , and grandmother Grand Duchess Eleonore were flying to London to attend the wedding of his uncle Prince Ludwig to Margaret Geddes . The plane crashed into a factory chimney near Ostend , Belgium . - Elizabeth II (Elizabeth Alexandra Mary; born 21 April 1926) has been Queen of the United Kingdom, Canada, Australia, and New Zealand since 6 February 1952. She is Head of the Commonwealth and Queen of 12 countries that have become independent since her accession: Jamaica, Barbados, the Bahamas, Grenada, Papua New Guinea, Solomon Islands, Tuvalu, Saint Lucia, Saint Vincent and the Grenadines, Belize, Antigua and Barbuda, and Saint Kitts and Nevis. - Duke of Edinburgh, named after the city of Edinburgh, Scotland, is a title that has been created four times for members of the British royal family since 1726. The current holder is the Prince Philip, consort to Queen Elizabeth II. - Ernest Louis Charles Albert William (25 November 1868 9 October 1937) was the last "Grand Duke of Hesse and by Rhine" from 1892 until 1918. His nickname was "Ernie". - Hesse or Hessia (, Hessian dialect: "Hesse" ) is a federal state ("Land") of the Federal Republic of Germany, with just over six million inhabitants. The state capital is Wiesbaden; the largest city is Frankfurt am Main. Until the formation of the German Reich in 1871, Hesse was an independent country ruled by a Grand Duke (Grand Duchy of Hesse). Due to divisions after World War II, the modern federal state does not cover the entire cultural region of Hesse which includes both the State of Hesse and the area known as Rhenish Hesse (Rheinhessen) in the neighbouring state of Rhineland-Palatinate. Given the paragraphs above, decide what entity has the relation 'given name' with 'louis'.
Answer:
prince ludwig of hesse and by rhine