Wikipedia article of the day is Thomas Erpingham. Check it out:
Article-Link Summary: Thomas Erpingham (c. 1355 – 27 June 1428) was an English soldier and administrator who served three generations of the House of Lancaster including two English kings. Through his access to royal patronage he acquired great wealth and influence. During the reign of Richard II he served under the King’s uncle John of Gaunt, Duke of Lancaster, in Spain and Scotland, and with his son Henry Bolingbroke on crusades in Lithuania, Prussia and the Holy Land. On becoming king, Bolingbroke rewarded Erpingham with senior appointments. Erpingham later helped suppress the Epiphany Rising and was appointed guardian of Henry’s second son Thomas. He was a member of the Privy Council, acting at one point as marshal of England. In 1415 Erpingham served as a knight banneret in Henry’s campaign in France and commanded the archers at the Battle of Agincourt. He was a benefactor to the city of Norwich, where he had built the main cathedral gate which bears his name.