Edward of Westminster (13 October 1453 – 4 May 1471), also known as Edward of Lancaster, was the only son of King Henry VI of England and Margaret of Anjou. He was killed at the Battle of Tewkesbury, making him the only heir apparent to the English throne ever to die in battle.

Edward was born at the Palace of Westminster, London, the only son of King Henry VI of England and his consort Margaret of Anjou. At the time, there was strife between Henry's supporters, and Richard Plantagenet, 3rd Duke of York, who had a claim to the throne and challenged the authority of Henry's officers of state. Henry was suffering from mental illness, and there were widespread rumours that the prince was the result of an affair between his mother and one of her loyal supporters. Edmund Beaufort, 1st Duke of Somerset, and James Butler, Earl of Wiltshire, were both suspected of fathering Prince Edward, however, there is no firm evidence to support the rumours, and Henry himself never doubted the boy's legitimacy and publicly acknowledged paternity. Edward was invested as Prince of Wales at Windsor Castle in 1454.

Coordinates: 51°29′58″N 0°08′00″W / 51.4995°N 0.1333°W / 51.4995; -0.1333

Westminster /ˈwɛsᵗmɪnstə/ is an area of central London, within the City of Westminster, England. It lies on the north bank of the River Thames, southwest of the City of London and 0.5 miles (0.8 km) southwest of Charing Cross. It has a large concentration of London's historic and prestigious landmarks and visitor attractions, including the Palace of Westminster, Buckingham Palace, Westminster Abbey, and Westminster Cathedral.

Historically a part of Middlesex, the name Westminster was the ancient description for the area around Westminster Abbey – the West Minster, or monastery church, that gave the area its name – which has been the seat of the government of England (and later the British government) for almost a thousand years. Westminster is the location of the Palace of Westminster, a UNESCO World Heritage Site which houses the Parliament of the United Kingdom.

The name Westminster describes the area around Westminster Abbey and Palace of Westminster. Its name derives from the West Minster, or monastery church, west of the City of London's St Paul's. The area has been the seat of the government of England for almost a thousand years. The name is also used for the larger City of Westminster which covers a wider geographical area; and, since 1965, has included the former boroughs of Marylebone and Paddington.

Prince of Wales (Welsh: Tywysog Cymru) is a title traditionally granted to the heir apparent to the reigning monarch of the United Kingdom of Great Britain and Northern Ireland and the 15 other independent Commonwealth realms (and formerly of the United Kingdom of Great Britain and Ireland, before that the Kingdom of Great Britain and before that the Kingdom of England). The current Prince of Wales is Prince Charles, the eldest son of Queen Elizabeth II.

The Prince of Wales currently has no formal public role or responsibility that has been legislated by Parliament or otherwise delegated by the Monarchy. Charles, like most previous Princes of Wales, is also Duke of Cornwall and therefore responsible for the duchy of Cornwall.

For most of the post-Roman period, the nation of Wales was divided into several smaller states. Before the Norman conquest of England, the most powerful Welsh ruler at any given time was generally known as King of the Britons. In the 12th century and the 13th century, this title evolved into Prince of Wales. In Latin, the new title was "Princeps Walliae", and in Welsh it was "Tywysog Cymru". The literal translation of "Tywysog" is "Leader". (The verb tywys means to lead.)

Wales ⁱ/ˈweɪlz/ (Welsh: Cymru;Welsh pronunciation: [ˈkəm.rɨ] ( listen)) is a country that is part of the United Kingdom and the island of Great Britain,bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km² (8,023 sq mi). Wales has over 1,200 km (750 mi) of coastline, including its offshore islands; the largest, Anglesey (Ynys Môn), is also the largest island in the Irish Sea. Wales is largely mountainous, with its highest peaks in the north and central areas, especially in Snowdonia (Eryri), which contains Snowdon (Yr Wyddfa), its highest summit.

During the Iron Age and early medieval period, Wales was inhabited by the Celtic Britons. A distinct Welsh national identity emerged in the centuries after the Roman withdrawal from Britain in the 5th century, and Wales is regarded as one of the modern Celtic nations today. Gruffydd ap Llywelyn was recognised as King of Wales in 1057. Llywelyn ap Gruffydd's death in 1282 marked the completion of Edward I of England's conquest of Wales. The castles and town walls erected to ensure its permanence are now UNESCO World Heritage Sites. Owain Glyndŵr briefly restored independence to what was to become modern Wales, in the early 15th century. Wales was subsequently annexed by England under the Laws in Wales Acts 1535–1542 since when, excluding those matters now devolved to Wales, English law has been the legal system of Wales and England. Distinctive Welsh politics developed in the 19th century. Welsh Liberalism, exemplified in the early 20th century by Lloyd George, was displaced by the growth of socialism and the Labour Party. Welsh national feeling grew over the century; Plaid Cymru was formed in 1925 and The Welsh Language Society in 1962. The National Assembly for Wales, created in 1999 following a referendum, holds responsibility for a range of devolved policy matters.

Margaret of Anjou (French: Marguerite d'Anjou) (23 March 1430 – 25 August 1482) was the wife of King Henry VI of England. As such, she was Queen consort of England from 1445 to 1461 and again from 1470 to 1471. She also claimed to be Queen consort of France from 1445 to 1453. Born in the Duchy of Lorraine, into the House of Valois-Anjou, Margaret was the second eldest daughter of René I of Naples and Isabella, Duchess of Lorraine.

She was one of the principal figures in the series of dynastic civil wars known as the Wars of the Roses and at times personally led the Lancastrian faction. Due to her husband's frequent bouts of insanity, Margaret ruled the kingdom in his place. It was she who called for a Great Council in May 1455 that excluded the Yorkist faction headed by Richard, Duke of York, and thus provided the spark that ignited a civil conflict that lasted for over thirty years, decimated the old nobility of England, and caused the deaths of thousands of men, including her only son Edward of Westminster, Prince of Wales, at the Battle of Tewkesbury in 1471.