Original: Henry VII ( before accession known as Henry Tudor ; ; 28 January 1457 21 April 1509 ) was the King of England and Lord of Ireland from his seizing the crown on 22 August 1485 until his death on 21 April 1509 , as the first monarch of the Tudor dynasty .
Simplified: Henry the VII or Henry Tudor ( January 28 , 1457 -- April 21 , 1509 ) was king of England from 1485 to 1509 .