John Beaufort, 1st Earl of Somerset
…as the Marquess of Somerset and Marquess of Dorset from 1397 to 1399, was an English-French nobleman and politician. Beaufort was the second son of John of Gaunt (1340–1399; third surviving son of King Edward III), eldest of the four children by his mistress Katherine Swynford, whom he later married in 1396. The…