John Grey of Groby Richard III in June 1483. <br> In 1491, his widow, by then Queen Dowager, became the co-heiress of her brother, Richard Woodville, 3rd Earl Rivers. She died a year later. Sir John Grey was killed in the Second Battle of St Albans in 1461, fighting for the Lancastrian cause. His widow, Dame Elizabeth Grey, later secretly married Edward IV who was the successful Yorkist claimant to the throne. John Grey of Groby Sir John Grey, of Groby, Leicestershire (c. 1432 – 17 February 1461) was a Lancastrian knight, the first husband of Elizabeth Woodville who later married King Edward IV
Richard Woodville, 1st Earl Rivers 1385, 1390). Woodville followed his father into service with the Duke of Bedford. In 1433 the Duke had married the 17-year-old Jacquetta of Luxembourg; she was the Duke's second wife and he was significantly older and in ill health. When the Duke died in 1435, Jacquetta was left a childless and wealthy widow. She was required to seek permission from King Henry VI before she could remarry, but in March 1437 it was revealed that she had secretly married Richard Woodville who was far below her in rank and not considered a suitable husband for the lady still honoured as