Randal M. Bundy
This Research is Conducted by
Randal M. Bundy


Henry de Percy 3rd Baron of Percy and Mary Planagent
Coat of Arms - Percy, Barons Percy of Alnwick (Or, a lion rampant Azure)
Coat of Arms - Percy, Barons Percy of Alnwick
(a lion rampant Azure)

Henry Percy (circa 1321–1368), was sixteen when he inherited his father's estates, he married
Mary of Lancaster the daughter of Henry Plantagenet, 3rd Earl of Lancaster
and in 1346, commanded the English right wing at the The Battle of Neville's Cross when David II, King of Scots was taken prisoner. His son, another Henry Percy (1341–1408) was created Earl of Northumberland at the coronation of Richard II in 1377. However, in 1398 he threw his support behind the rebellion of the king's cousin, Henry of Bolingbroke, who was later crowned King Henry IV. His son, Sir Henry Percy, known as Harry Hotspur, one of the most famous of the family, was killed at the Battle of Shrewsbury in 1403 while in rebellion against Henry IV. Henry Percy, Earl of Northumberland himself was attainted in 1406 for plotting against Henry IV and killed at Bramham Moore in 1408.


Research File
Mary of Lancaster Plantagenet, Baroness of Percy
born abt 1320


Henry Percy, 3rd Baron Percy of Alnwick - lived abt 1321–1368  &  Mary of Lancaster Plantagenet, Baroness of Percy - abt 1320
Mary of Lancaster Plantagenet, Baroness of Percy
Mary of Lancaster Plantagenet, Baroness of Percy
Alnwick Castle
Alnwick Castle, Home of the Barons Percy of Alnwick
daughter of:
Henry Plantagenet - 3rd Earl of Lancaster - born abt 1281 &  Maud de Chaworth
daughter of:   Patrick de Chaworth, Lord of Kidwelly & Isabella de Beauchamp

Henry Plantagenet - 3rd Earl of Lancaster & Maud de Chaworth
son of:
Edmund Crouchback, 1st Earl of Lancaster & Blanche of Artois
daughter of:  Robert I, Count of Artois & Matilda of Brabant

Edmund Crouchback, 1st Earl of Lancaster & Blanche of Artois
son of:
Henry III of Winchester, King of England & Eleanor of Provencedaughter of:   Ramon Berenguer IV, Count of Provence & Beatrice of Savoy
Henry III of Winchester, King of England & Eleanor of Provence






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