Isle of Man / Thomas, Earl of Derby, King of Mann

Isle of Man - Thomas, Earl of Derby, King of Mann (20 February 1459 - 29 July 1504)

Thomas Stanley, 1st Earl of Derby, KG was titular King of Mann, an English nobleman and stepfather to King Henry VII of England. He was the eldest son of Thomas Stanley, 1st Baron Stanley and Joan Goushill. Through his mother he was a lineal descendant of King Edward I by Elizabeth of Rhuddlan, Countess of Hereford and by the FitzAlan family, Stanley was a descendant of King Henry III.

A landed magnate of immense power, particularly across the northwest of England where his authority went almost unchallenged, even by the Crown, Stanley managed to remain in favour with successive kings throughout the Wars of the Roses until his death in 1504. His estates included what is now Tatton Park in Cheshire, Lathom House in Lancashire, and Derby House in the City of London, now the site of the College of Arms.

Although the king for the early part of his career, Henry VI, was head of the House of Lancaster, Stanley’s marriage to Eleanor, daughter of Richard Neville, 5th Earl of Salisbury (a descendant of Edward III) and sister of Richard Neville, Earl of Warwick ("Warwick the Kingmaker") in the late 1450s constituted a powerful alliance with the House of York. This did him no harm, however, even after Warwick was toppled from power, and in 1472, with the House of York now occupying the English throne, he married his second wife Lady Margaret Beaufort, whose son, Henry Tudor, was the leading Lancastrian claimant.

Stanley was "a man of considerable acumen, and probably the most successful power-broker of his age".

He was the last to use the style "King of Mann", his successors opting for the safer "Lord of Mann".

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Thomas, Earl of Derby, King of Mann: Details
CountryIsle of Man
From20 February 1459
To29 July 1504
Personal Information Thomas Stanley, 1st Earl of Derby
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Country Details
NameIsle of Man
From1399
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