Original: He is widely held to have been in the royal service of John of Lancaster , 1st Duke of Bedford , the fourth son of Henry IV and brother of Henry V/PERSON. As such he may have stayed in France for some time , since the duke was Regent of France from 1423 to 1429 , and then Governor of Normandy from 1429 to his death in 1435 .
Simplified: He was well educated and he worked for the Duke of Bedford who was the fourth son of Henry IV and brother of Henry V/PERSON. He may have spent some time in France because the duke was Regent of France from 1423 to 1429 , and then Governor of Normandy from 1429 to his death in 1435 .