Charles Brandon, 1st Duke of Suffolk 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 III. His mother, Elizabeth
Tudors of Penmynydd lineage, the Griffiths of Penrhyn, whose head, Gwilym ap Griffith, had married their niece, Morfydd ferch Goronwy. The family is best known due to the descendants of a younger son. Owain Tudur (anglicised to "Owen Tudor"), the son of rebel Maredudd ap Tudor, would become a courtier, and secretly married Catherine of Valois, widowed Queen Consort of the Lancastrian King Henry V. Owen Tudor and Catherine of Valois had two sons, Edmund Tudor, 1st Earl of Richmond (d. 1456), and Jasper Tudor, Duke of Bedford and Earl of Pembroke (d. 1495). Edmund Tudor was betrothed and married to Margaret Beaufort