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 due to the inheritance of the Plantagenet blood through Margaret. The marriage was consummated, leaving a 13-year-old widow who was seven months pregnant with their child at the time of his death. A crisis emerged during the summer of 1453, as Henry fell ill lasting over 17 months, leaving him incommunicado and needing to be carried from place to place. Several parties sought to take power during this period, including Richard of York. Henry's wife, Margaret of Anjou, demanded to be declared Regent for the King, causing a division between her and the Tudor brothers who wished to lend assistance