Catherine Percy was born 18 May 1423 in Leconfield, Yorkshire, England, United Kingdom to Henry Percy, 2nd Earl of Northumberland (c1392-1455) and Eleanor Neville (1398-1472) and died circa 1499 England, United Kingdom of unspecified causes. She married Edmund Grey, 1st Earl of Kent (1416-1490) 1458 JL . Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Henry II of England (1133-1189)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s.
|Offspring of Edmund Grey, 1st Earl of Kent and Catherine Percy (1423-c1499)|
|Anthony Grey (c1443-1480)||1443||1480||Eleanor Woodville (c1452-1512)|
|George Grey, 2nd Earl of Kent (-1503)||1454||21 December 1503||Anne Woodville (c1438-1489) Anne Woodville (c1438-1489) Catherine Herbert (c1450-c1504)|
|Elizabeth Grey (-1472)||18 July 1472||Robert Greystoke (1438-1483)|
|Anne Grey (c1450-)|