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. Brandon held a succession of offices in the royal household, becoming Master of the Horse in 1513, and received many valuable grants of land. On 15 May 1513, he was created Viscount Lisle.
