He inherited in 1381 and was knighted by October 1388. He held the post of hereditary warden of Savernake Forest from 1381 to 1417 and from 1420 until his death in 1427. He served as knight of the shire for Hampshire in 1384 and again in 1390, and also eight times for Wiltshire and twice for Devon between then and 1422. He was elected Speaker of the House of Commons in 1404 during the reign of King Henry IV, known as the Illiterate or Unlearned Parliament because the king forbade lawyers from attending. He was appointed High Sheriff of Wiltshire for 1418. He held a number of public posts and served several times as an ambassador abroad.
Marriage & progeny
- Maud Esturmy, wife of Roger II Seymour (c.1367/70-1420), feudal barony of Hatch Beauchamp in Somerset, by whom she had a son John Seymour (d.1464) ancestor of Queen Jane Seymour.
He died at Wolfhall in 1427.
- Easton Royal History
- The Lives of the Speakers of the House of Commons, from the Time of King Edward III to Queen Victoria: Comprising the Biographies of Upwards of One Hundred Distinguished Persons, and Copious Details of the Parliamentary History of England from the Most Authentic Documents, James Alexander Manning
- Loades, David, The Seymours of Wolf Hall: A Tudor Family Story, Chapter 1: The Origins
Sir Arnold Savage;
|Speaker of the House of Commons
| Succeeded by|
Sir John Tiptoft