Henry, 3rd Baron Percy of Alnwick was born 1320 to Henry de Percy, 2nd Baron Percy (1299-1352) and Idoine de Clifford (c1300-1365) and died May 1368 in England, United Kingdom of unspecified causes. He married Mary of Lancaster (c1320-1362) circa 1340 JL . He married Joan Orreby (-1368) circa 1363 JL . Notable ancestors include Charlemagne (747-814), Alfred the Great (849-899), Hugh Capet (c940-996), William I of England (1027-1087), Henry II of England (1133-1189). Ancestors are from the United Kingdom, England, France, Germany, Russia, Ukraine, Belgium, Ireland, the Netherlands, Italy, Canaan.

Henry Percy, 3rd Baron Percy of Alnwick, was the eldest son of Henry de Percy, 2nd Baron Percy (1301-1352), and his wife, Idonea, daughter of Robert de Clifford, 1st Baron de Clifford.

Alnwick Castle 02

Alnwick Castle- the Percy seat in Northumberland

He served in France under the earl of Arundel in March 1344 and in August 1346 was at the Battle of Crécy. He then transferred to service in Gascony under the earl of Lancaster. In July 1352 he was made joint warden of the marches towards Scotland, and in September 1355 keeper of Roxburgh Castle and sheriff of Northumberland for two years.

In 1356 he took part in the invasion of Scotland that followed Edward Balliol's surrender of the kingdom and crown of Scotland to Edward III. In July 1356 he was once again joint warden of the marches and then took part in the negotiations that led to the treaty of Berwick of October 1357.

He participated in Edward III's military efforts in France and in September 1355 was marshal of the royal army at Calais. In 1360 he took part in Edward's campaign to capture Rheims.

He died on or about 18 May 1368, probably at his castle of Alnwick, and was buried in Alnwick Abbey. He had married twice: firstly Mary of Lancaster (d. 1362), daughter of Henry, 3rd Earl of Lancaster, and secondly Joan (d. 1368), the daughter and sole heiress of John, Lord Orreby. With his first wife he had two sons, Henry and Thomas. With his second wife he had a son who died in his father's lifetime and a daughter, Mary. He was succeeded by his eldest son Henry, who became the 1st earl of Northumberland. His younger son Thomas became the 1st Earl of Worcester.


NAME Percy, Henry, 3rd Baron of Alnwick
SHORT DESCRIPTION English baron and High Sheriff of Northumberland


Offspring of Henry, 3rd Baron Percy of Alnwick and Mary of Lancaster (c1320-1362)
Name Birth Death Joined with
Henry Percy, 1st Earl of Northumberland (1341-1408) 10 November 1341 England, United Kingdom 20 February 1408 Bramham Moor, Yorkshire, England Margaret Neville (1329-1372)

Thomas Percy, 1st Earl of Worcester (1343-1403) 1343 23 July 1403 Shrewsbury, Shropshire, England, United Kingdom

Offspring of Henry, 3rd Baron Percy of Alnwick and Joan Orreby (-1368)
Name Birth Death Joined with
Mary Percy (c1365-)


Offspring of Henry, 2nd Baron Percy of Alnwick and Idoine de Clifford (c1300-1365)
Name Birth Death Joined with
Henry de Percy, 3rd Baron Percy (1320-1368) 1320 May 1368 England, United Kingdom Mary of Lancaster (c1320-1362)
Joan Orreby (-1368)

Thomas Percy, Bishop of Norwich
Roger Percy (c1324-)
Maud Percy (-1379) 18 February 1379 John Neville, 3rd Baron Neville de Raby (1328-1388)

Eleanor Percy (c1328-)
Isabel Percy (c1330-)


Footnotes (including sources)

‡ General
Ω Birth
  • Wikipedia says "c. 1321".


  Robin Patterson

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