Sir John Seymour (c. 1395/1402 – 20 December 1464) of Wulfhall in Savernake Forest, Wiltshire, feudal baron of Hatch Beauchamp in Somerset, England, was a Member of Parliament.
He was the son and heir of Roger Seymour (c. 1367/70-1420) of Hatch Beauchamp by his wife Maud Esturney (or Esturmi), daughter and heiress of Sir William Esturmy, Speaker of the House of Commons.[1]
He was elected as a Member of Parliament for Ludgershall in 1422 and as Knight of the Shire for Wiltshire in 1435, 1439, and 1445.[2] He served as Sheriff of Wiltshire in 1431–2, having previously served as Sheriff of Hampshire.[3]
A tenement in Redcliffe Street, Bristol, was held by Sir John Seymour, Knight, in 1454, and by Lady Seymour in 1469.[4]
On 20/30 July 1424 he married Isabel William or Williams (died 14 April 1486), daughter and heiress of Mark William, a merchant who served as Mayor of Bristol,[5] in Gloucestershire, in some sources given as William Mac William or Williams "of Gloucestershire".[6] After her husband's death in 1464, Isabel took vows of chastity.[7] By his wife he had two children:
He died on 20 December 1464 and was succeeded by his grandson John Seymour (died 1491).