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 House (16th century) Groby manor, including Bradgate, was restored to Jane's Uncle, Lord John Grey of Pirgo. His great-grandson was made Earl of Stamford. Later earls acquired estates in Enville, Staffordshire, and Dunham Massey, Cheshire. Sometime after 1739 they moved out of Bradgate, which began a long decline. The spectacular ruins of the house are still visible at the centre of the park. The house was approximately long, featuring a main hall measuring . As well as considerable remains of walls and fireplaces, it has four truncated towers and the chapel is still intact, containing a tomb effigy to Henry Grey, 1st Earl