Groby owned by the Grey family whose estate included Bradgate Park. Sir John Grey of Groby married Elizabeth Woodville. After his death, in battle, she married Edward IV of England. Bradgate Park was the childhood home of Lady Jane Grey, who became Queen of England for nine days in 1553. The Grey family held the barony until it was forfeited in 1554. Thomas Grey, Lord Grey of Groby became MP for Leicester in 1641 and fought on the side of Parliament in the English Civil War. In 1649 Grey was the only aristocrat of the 59 signatories of the death warrant
Bradgate Park to Hugh de Grandmesnil in the eleventh century as reward for his assistance in battle to William I. The name Bradgate is thought to derive from Norse or Anglo-Saxon, meaning "broad road" or "broad gate" respectively. The first mention of Bradgate Park is from 1241, by which time it was laid out as a hunting park, although rather smaller than the current boundary. It was subsequently acquired by the Beaumont family, passing to the de Quincy family and on to William de Ferrers of Groby. It remained in the de Ferrers family until 1445, when it passed to the Grey