Lady Katherine Percy (18 May 1423 – ) was the daughter of Henry Percy, 2nd Earl of Northumberland, and Lady Eleanor Neville.
Her maternal grandparents were Ralph Neville, 1st Earl of Westmorland and his second wife Joan Beaufort, a legitimized daughter of John of Gaunt.
She married Edmund Grey, 1st Earl of Kent, and had seven children:
Mary Grey (1440–1474); Anthony Grey (1446–1480), married Eleanor Woodville, daughter of Richard Woodville, 1st Earl Rivers; Elizabeth Grey (d. 1472), married Sir Robert Greystoke; Anne Grey (b. 1450), married John Grey, 8th Baron Grey de Wilton; George Grey, 2nd Earl of Kent (1454–1505), married Anne Woodville; John Grey (1455–1484); Edmund Grey (b. 1457).
Ancestry
External links
Profile, Tudorplace.com. Accessed 7 January 2023.