Sir. Henry IV de Percy, Baron

1322 - 1368  (46 years)

• Name	Henry IV de Percy  [1, 2, 3, 4]
  Title	Sir.
  Suffix	Baron
  Birth	1322	Castle, Alnwick, Northumberland, England
  Gender	Male
  Death	18 May 1368	Berwick Castle, Berwick, Wiltshire, England
  Burial	Alnwick, Northumberland, England
  Person ID	I20568	My Genealogy
  Last Modified	16 May 2026

  
  

  Father	Earl Henry III de Percy,   b. 6 Feb 1301, Leckonfield, East Riding, Yorkshire, England d. 25 Feb 1353, Alnwick Castle, Alnwick, Northumberland, England (Age 52 years)
  Relationship	natural
  Mother	Countess of Percy Ideona de Clifford,   b. 1303, Castle, Clifford, Hereford, England d. 24 Aug 1365 (Age 62 years)
  Relationship	natural
  Marriage	1314	Yorkshire, England   [3]
  Family ID	F4368	Group Sheet  |  Family Chart

  
  

  Family 1	Joan de Oreby, Baroness of Astley,   b. Between Apr 1349 and 1350, Lincolnshire, England d. 29 Jul 1369, Castle, Alnwick, Northumberland, England (Age 20 years)
  Marriage	Bef May 1365	Castle, Alnwick, Northumberland, England   [3, 4]
  Family ID	F5729	Group Sheet  |  Family Chart
  Last Modified	16 May 2026

  
  

  Family 2	Mary Plantagenet, Baroness of Percy,   b. 1319, Tutbury, Staffordshire, England d. 1 Sep 1362 (Age 43 years)
  Marriage	1344	Tutbury, Staffordshire, England   [3, 4]
  Children	1. Isabella Percy,   b. Abt 1348, Carlisle Castle, Carlisle, Cumberland, England d. 1386 (Age 38 years)  [Father: natural]  [Mother: natural]   2. 13 Marshall of England Henry de Percy, V,   b. 10 Nov 1345, Carlisle Castle, Carlisle, Cumberland, England d. 19 Feb 1408, Branham, Moor, England (Age 62 years)  [Father: natural]  [Mother: natural]   3. Sir. Thomas de Percy, Baron,   b. Abt 1345, Carlisle Castle, Carlisle, Cumberland, England d. 21 Jul 1403, Shrewsbury, Shropshire, England (Age 58 years)  [Father: natural]  [Mother: natural]
  Family ID	F5730	Group Sheet  |  Family Chart
  Last Modified	16 May 2026

  
  

• Sources

  [S18] Personal knowledge of Kirk Larson, [ADDRESS FOR PRIVATE USE]\. [S19] The Church of Jesus Christ of Latter-day Saints, database, \i FamilySearch\i0, (Name: (http://www.familysearch.org);). [S31] Edmundson, Isaac & Cokayne, George Edward, "Complete baronetage: Microprint ed.", (Name: (Gloucester : A. Sutton, 1983.), ISBN: 0-86299-004-1; LC CALL NO.: CS424.C681983; LCCN: 87-173374 //r914;), 3:270, 929.7/2 ED: 19. [S118] Huganir, Gail R., editor and publisher, "Percy's of Alnwick Castle", (Name: British Heritage Magazine, vol. 17:2 , (1996) , A Primedia Publication;), p. 22-27.