John of Gaunt (1340 - 1399 ). The rich and powerful Plantagenet prince. His liaison with a commoner called Katherine Swynford produced four illegitimate children who were given the name Beaufort ( He married Katherine in 1396 and their children, by this time adults, were legitimised).Their son John was the Great-Great Grandfather of King Henry VIII of England.
Miniature of Lady Jane Grey (1536/1537 – 12 February 1554). Her married name was Jane Dudley, and she's also known as The Nine Days' Queen. An English noblewoman and de facto monarch of England from 10 July until 19 July 1553. She was subsequently executed. The great-granddaughter of Henry VII through his younger daughter Mary, Jane was a first cousin once removed of Edward VI.
Eleanor of Aquitaine, one of the most fascinating women in medieval history. Her offspring with Henry II is the start to the great Plantangenet line. Richard "The Lionheart" was her favourite son, and John "Lackland", her youngest, was his father's, before he betrayed him with the rest of his brothers and the King of France.