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date: 07 December 2019

Beaufort, John, marquess of Dorset and marquess of Somersetlocked

(c. 1371–1410)
  • G. L. Harriss

Extract

Beaufort, John, marquess of Dorset and marquess of Somerset (c. 1371–1410), soldier and administrator, was the first offspring of the liaison between John of Gaunt, duke of Lancaster (1340–1399), and Katherine Swynford (1350?–1403) [see Katherine, duchess of Lancaster]. He became a staunch supporter of ...

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East Sussex Record Office, Lewes
G. E. C. [G. E. Cokayne], , 8 vols. (1887–98); new edn, ed. V. Gibbs & others, 14 vols. in 15 (1910–98); microprint repr. (1982) and (1987)
British Library, London
National Archives of the United Kingdom, Public Record Office, London
Chancery records (Public Record Office)
J. Strachey, ed., , 6 vols. (1767–77)
Camden Society
Record Commission