John Seymour (died 1464)

Sir John Seymour (c. 1395, c. 1400 or 1402 – 20 December 1464) of Wulfhall in Savernake Forest, Wiltshire, and of Hatch Beauchamp, Somerset, was an English knight and member of parliament.

He was the son of Roger Seymour (born Hatch Beauchamp, Somerset, c. 1367-1370, died 1420) by his marriage to Maud Esturney or Esturmi, daughter of Sir William Esturney or Esturmi, Speaker of the House of Commons, paternal grandson of Sir William Seymour (Hatch Beauchamp, Somerset, c. 1342 – 25 August 1391, brother of Lettice Seymour (born Rogaid, Glamorgan, c. 1343), wife of Gilbert Gamage and mother of Sir William Gamage) and wife Margaret de Brookbury or Brockbury, and great-grandson of Sir Roger St. Maur or Seymour, Kt. (Even Swindon, Wiltshire, 1314 - bef. 1361) and wife Cicely or Cecily de Beauchamp (c. 1321 – 7 June 1394). Cecily de Beauchamp inherited the manors of Hatch Beauchamp, Shepton Beauchamp, Murifield and one third of the manor of Shepton Mallet, Somerset, the manors of Boultbery and Haberton, Devon, of Dorton, Buckinghamshire, and of Little Haw, Suffolk, and was a daughter of Sir John de Beauchamp, 2nd Baron Beauchamp, (of Somerset) and wife Margaret St John, and married secondly on 14 September 1368 Sir Gilbert Turberville of Coity, Glamorgan.

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