Issue of Edward III of England – 3 February 1399), 1st Duke of Lancaster, fourth son. From the marriage of John of Gaunt and Blanche of Lancaster, daughter and heiress of the Duke of Lancaster, descended legitimate male heirs, the Lancasters (King Henry IV (1399-1413), who as Henry of Bolingbroke in 1399 deposed his first cousin King Richard II (1377-1399), and was followed by his son King Henry V(1413-1422) and the latter's son King Henry VI (1422-1471). This line ended in 1471 when King Henry VI's son Edward of Westminster, Prince of Wales was killed at the Battle of Tewkesbury and when he himself was deposed
Richard Fowler (chancellor) Richard Fowler (chancellor) Sir Richard Fowler (c.1425-1477) was an English administrator. He was the son of William Fowler of Preston manor in Buckinghamshire. He inherited the manor after his father's death. He held several posts including king's solicitor from 1461 to 1470 (the first to hold this post) and Chancellor of the Duchy of Lancaster from 1462 to 1477, before being appointed Chancellor of the Exchequer from 1469 to 1471 and Under-Treasurer of England in 1471. He was knighted by Edward IV in 1467. Richard Fowler was the nephew of Sybil Quartermain and whilst the Quartermains lived at Rycote, Oxfordshire,