| Noun | 1. | Lancastrian line - the English royal house that reigned from 1399 to 1461; its emblem was a red rose dynasty - a sequence of powerful leaders in the same family royal family, royal house, royal line, royalty - royal persons collectively; "the wedding was attended by royalty" Lancastrian - a member (or supporter) of the house of Lancaster Bolingbroke, Henry Bolingbroke, Henry IV - the first Lancastrian king of England from 1399 to 1413; deposed Richard II and suppressed rebellions (1367-1413) Henry V - son of Henry IV and King of England from 1413 to 1422; reopened the Hundred Years' War and defeated the French at Agincourt (1387-1422) Henry VI - son of Henry V who as an infant succeeded his father and was King of England from 1422 to 1461; he was taken prisoner in 1460 and Edward IV was proclaimed king; he was rescued and regained the throne in 1470 but was recaptured and murdered in the Tower of London (1421-1471) |