Charles Brandon, 1st Duke of Suffolk number of illegitimate children: Charles Brandon, 1st Duke of Suffolk Charles Brandon, 1st Duke of Suffolk, 1st Viscount Lisle, (22 August 1545) was the son of Sir William Brandon and Elizabeth Bruyn. Through his third wife Mary Tudor he was brother-in-law to Henry VIII, King of England. His father was the standard-bearer of Henry Tudor, Earl of Richmond who seized the throne as Henry VII. Suffolk died of unknown causes at Guildford. Charles Brandon was the second but only surviving son of Sir William Brandon, Henry Tudor's standard-bearer at the Battle of Bosworth Field, where he was slain by Richard
Edmund Tudor, 1st Earl of Richmond Henry was still without children. After the death of Humphrey, Duke of Gloucester, the royal line was at risk and considerations were made about the Tudor brothers inheriting the throne. There were concerns that while they had descended from the French royal line through Catherine, they had no blood relation to the English throne. Both Edmund and Jasper were among a small group of personal advisers to the King by 1452, representing the only blood relations in court. However, neither was skilled at matters of state within England, and instead they were primarily given the task of ensuring the authority