Question: Sir Neil was a founding member of the Order of the Garter, established by a king whose reign was how long?

Context paragraphs:
Neil Loring: Sir Neil Loring ("Loryng", "Loringe" etc., Neel "alias" Nigel, Latin: "Nigellus") (c. 1320 – 18 March 1386), KG, was a medieval English soldier and diplomat and a founding member of the Order of the Garter, established by King Edward III in 1348.  The central character in two historical novels by Sir Arthur Conan Doyle, "Sir Nigel" and "The White Company", is loosely based on Neil Loring.

Amazasp I of Iberia: Amazasp I (Georgian: ამაზასპი ) was a king of Iberia (Kartli, modern eastern Georgia) whose reign is placed by the early medieval Georgian historical compendia in the 2nd century.  Professor Cyril Toumanoff suggests 106–116 as the years of his reign, and considers him to be the son and successor of Mithridates I of Iberia who is known from epigraphic material as a Roman ally.  Toumanoff also identifies him with the Amazaspus of the Armazi stele of Vespasian and Xepharnuges of the Armazi stele of Serapit.

Nicholas I of Russia: Nicholas I (Russian: Николай I Павлович , "Nikolay I Pavlovich" ; 6 July [O.S. 25 June] 1796 – 2 March [O.S. 18 February] 1855 ) was the Emperor of Russia from 1825 until 1855.  He was also the King of Poland and Grand Duke of Finland.  He is best known as a political conservative whose reign was marked by geographical expansion, repression of dissent, economic stagnation, poor administrative policies, a corrupt bureaucracy, and frequent wars that culminated in Russia's defeat in the Crimean War of 1853–56.  His biographer Nicholas V. Riasanovsky says that Nicholas displayed determination, singleness of purpose, and an iron will, along with a powerful sense of duty and a dedication to very hard work.  He saw himself as a soldier—a junior officer totally consumed by spit and polish.  A handsome man, he was highly nervous and aggressive.  Trained as an engineer, he was a stickler for minute detail.  In his public persona, says Riasanovsky, "Nicholas I came to represent autocracy personified: infinitely majestic, determined and powerful, hard as stone, and relentless as fate."  His reign had an ideology called "Official Nationality" that was proclaimed officially in 1833.  It was a reactionary policy based on orthodoxy in religion, autocracy in government, and Russian nationalism.  He was the younger brother of his predecessor, Alexander I.  Nicholas inherited his brother's throne despite the failed Decembrist revolt against him and went on to become the most reactionary of all Russian leaders.  His aggressive foreign policy involved many expensive wars, having a disastrous effect on the empire's finances.

George Bellew: Sir George Rothe Bellew, (13 December 1899 – 6 February 1993), styled The Honourable after 1935, was a long-serving herald at the College of Arms in London.  Educated at the University of Oxford, he was appointed Portcullis Pursuivant in 1922.  Having been Somerset Herald for 24 years, he was promoted to the office of Garter Principal King of Arms in 1950, the highest heraldic office in England and Wales.  He served in that capacity until his resignation in 1961.  As Garter, Bellew oversaw the funeral of George VI, proclaimed the late King's daughter, Elizabeth II, as Queen and took a leading role in the organisation of her Coronation in 1953.  After his retirement, Bellew was Secretary of the Order of the Garter (until 1974) and Knight Principal of the Imperial Society of Knights Bachelor (until 1962).  He lived for many years at Dower House in Old Windsor, Berkshire, but later moved to Farnham and died in 1993, aged 93.

Alara of Nubia: Alara was a King of Kush who is generally regarded as the founder of the Napatan royal dynasty by his 25th Dynasty Nubian successors and was the first recorded prince of Nubia.  He unified all of Upper Nubia from Meroë to the Third Cataract and is possibly attested at the Temple of Amun at Kawa.  Alara also established Napata as the religious capital of Nubia.  Alara himself was not a 25th dynasty Nubian king since he never controlled any region of Egypt during his reign compared to his two immediate successors: Kashta and Piye respectively.  Nubian literature credits him with a substantial reign since future Nubian kings requested that they might enjoy a reign as long as Alara's.  His memory was also central to the myth of the origins of the Kushite kingdom which was embellished with new elements over time.  Alara was a deeply revered figure in Nubian culture and the first Nubian king whose name has come down to scholars.

Jacobean architecture: The Jacobean style is the second phase of Renaissance architecture in England, following the Elizabethan style.  It is named after King James I of England, with whose reign (1603-1625 in England) it is associated.  At the start of James' reign there was little stylistic break in architecture, as Elizabethan trends continued their development.  However his death in 1625 came as a decisive change towards more classical architecture, with Italian influence, was in progress, led by Inigo Jones; the style this began is sometimes called Stuart architecture, or English Baroque (though the latter term may be regarded as starting later).

Mittasena of Anuradhapura: Mittasena (or Mitta Sena or Karalsora) was King of Anuradhapura in the 5th century, whose reign lasted from 435 to 436.  He succeeded Chattagahaka Jantu as King of Anuradhapura.  During his reign, the kingdom was invaded by Pandu of The Six Dravidians.

Aggabodhi III of Anuradhapura: Aggabodhi III was King of Anuradhapura in the 7th century, whose reign lasted the year 623 and from 624 to 640.  He succeeded his father Silameghavanna as King of Anuradhapura and was succeeded by Jettha Tissa III in his first reign and Dathopa Tissa I in his second.

Edward III of England: Edward III (13 November 1312 – 21 June 1377) was King of England from 25 January 1327 until his death; he is noted for his military success and for restoring royal authority after the disastrous and unorthodox reign of his father, Edward II.  Edward III transformed the Kingdom of England into one of the most formidable military powers in Europe.  His long reign of 50 years was the second longest in medieval England and saw vital developments in legislation and government—in particular the evolution of the English parliament—as well as the ravages of the Black Death.

Gothabhaya of Anuradhapura: Gothabhaya, also known as Meghavannabhaya, Gothakabhaya and Goluaba, was a king of the Anuradhapura Kingdom of Sri Lanka whose reign lasted from 254 to 267.  During his reign, Gothabhaya renovated several temples and monasteries and also built a new temple.  He is the last of three friends who seized the throne from King Vijaya Kumara and ruled the country.  He is known for banishing 60 Buddhist monks who followed teaching contradictory to Theravada, and also for rebelling against his friend Samghabodhi to seize the throne himself.

Supporting paragraphs: Neil Loring Edward III of England
Answer: 50 years