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John Beaufort, 1st Earl of Somerset

The Earl of Somerset
Arms of John Beaufort, 1st Earl of Somerset.svg
Arms of Beaufort family, Earls and Dukes of Somerset: Quarterly, 1st & 4th: Azure, three fleurs de lis or (France); 2nd & 3rd: Gules, three lions passant guardant in pale or (England); all within a bordure compony argent and azure
Earl of Somerset
Successor Henry Beaufort, 2nd Earl
Spouse(s) Margaret Holland, Countess of Somerset
Issue
Noble family Beaufort
Father John of Gaunt, 1st Duke of Lancaster
Mother Katherine Swynford
Born c. 1373
Died 16 March 1410(1410-03-16) (aged c. 37)
Hospital of St Katharine's by the Tower
Buried St Michael's Chapel, Canterbury Cathedral

John Beaufort, 1st Marquess of Somerset and 1st Marquess of Dorset, later only 1st Earl of Somerset, KG (c. 1373 – 16 March 1410) was the first of the four children of John of Gaunt, 1st Duke of Lancaster, and his mistress Katherine Swynford, whom he married in 1396. Beaufort's surname probably reflects his father's lordship of Beaufort in Champagne, France.

The Beaufort children were declared legitimate twice by parliament during the reign of King Richard II of England, in 1390 and 1397, as well as by Pope Boniface IX in September 1396. Even though they were the grandchildren of Edward III and next in the line of succession after their father's legitimate children by his first two wives, the Beauforts were barred from succession to the throne by their half-brother Henry IV.

Between May and September 1390, Beaufort saw military service in North Africa in the Barbary crusade led by Louis II, Duke of Bourbon. In 1394, he was in Lithuania serving with the Teutonic Knights.

John was created Earl of Somerset on 10 February 1397, just a few days after the legitimation of the Beaufort children was recognized by Parliament. The same month, he was also appointed Admiral of the Irish fleet, as well as Constable of Dover Castle and Warden of the Cinque Ports. In May, his admiralty was extended to include the northern fleet. That summer, the new earl became one of the noblemen who helped Richard II free himself from the power of the Lords Appellant. As a reward, he was created Marquess of Somerset and Marquess of Dorset on 29 September, and sometime later that year he was made a Knight of the Garter and appointed Lieutenant of Aquitaine. In addition, two days before his elevation as a Marquess he married the king's niece, Margaret Holland, sister of Thomas Holland, 1st Duke of Surrey, another of the counter-appellants. John remained in the king's favour even after his older half-brother Henry Bolingbroke (later Henry IV) was banished from England in 1398.


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