John Grey of Groby
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Sir John Grey of Groby, Leicestershire was a Lancastrian knight, the first husband of Elizabeth Woodville who later married King Edward IV of England, and great-great-grandfather of Lady Jane Grey. Wikipedia
Born: 1432, Grafton Regis, United Kingdom
Died: February 17, 1461 (age 29 years), St Albans, United Kingdom
Children: Thomas Grey, 1st Marquess of Dorset and Richard Grey
Spouse: Elizabeth Woodville (m. 1452–1461)
Grandchildren: Elizabeth Grey, Countess of Kildare, Thomas Grey, 2nd Marquess of Dorset, Margaret Grey, and more
Grandparents: Reynold Grey, 3rd Baron Grey of Ruthin, Isabel Mowbray, and Henry Ferrers