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
Thomas Stanley, 1st Earl of Derby Alice Montagu, daughter and heiress of Thomas Montagu, 4th Earl of Salisbury. Eleanor died in 1472 and was buried in the Church of St James Garlickhythe in the City of London. By Eleanor he had eleven children, of whom three attained positions of great status: Secondly, shortly before 12 June 1472 he married Lady Margaret Beaufort, (1441/3-1509), daughter of John Beaufort, 1st Duke of Somerset (c.1403-1444), KG, a legitimised descendant of John of Gaunt (1340-1399) (third surviving son of King Edward III) by his mistress Katherine Swynford. Lady Margaret Beaufort was the widow successively of Edmund Tudor, Earl of Richmond