Earl Henry de Percy, I b. 1235 Petworth, Sussex, England d. 29 Aug 1272 Sallay, West Riding, Yorkshire, England: The Wilder Family Tree

1235 - 1272 (37 years)

Personal Information | Notes | Sources | All | PDF

Name	Earl Henry de Percy
Suffix	I
Birth	1235	Petworth, Sussex, England
Birth	Earl of Alnwick
Gender	Male
Burial	1272	Sallay, West Riding, Yorkshire, England
Death	29 Aug 1272	Sallay, West Riding, Yorkshire, England
Person ID	I16498	My Genealogy
Last Modified	16 May 2026

Father	Sir. Baron Sir William de Percy, b. Abt 1198, Alnwick, Northumberland, England d. Abt 28 Jul 1245, Yorkshire, England (Age 47 years)
Relationship	natural
Mother	Eleanor de Balliol, b. Abt 1200, Alnwick, Northumberland, England d. Bef 22 Nov 1281 (Age < 81 years)
Relationship	natural
Marriage	1226	Dalton Piercy, Hart, Durham, England [1]
Family ID	F4366	Group Sheet \| Family Chart

Family Eleanor de Warenne, b. 1257, Sussex, England d. 1282 (Age 25 years)

Marriage 8 Sep 1268 York, East Riding, Yorkshire, England [2, 3]

Children

	1. John de Percy, b. 1270, Sussex, England [Father: natural] [Mother: natural]
	2. George Percy, Royal Yeoman, b. Abt 1270, Great Chalfield, Wiltshire, England d. 1348 (Age 78 years) [Father: natural] [Mother: natural]
	3. William de Percy, b. 1271, Sussex, England d. Galloway, Wigtown, Scotland [Father: natural] [Mother: natural]
	4. Earl Earl Henry de Percy, II, b. 25 Mar 1273, Petworth Castle, Alnwick, Northumberland, England d. Oct 1314, Abbeydale, Yorkshire, England (Age 41 years) [Father: natural] [Mother: natural]

Family ID F4387 Group Sheet | Family Chart

Last Modified 16 May 2026

[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;), 3:269, 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.
[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 "Plantagenet", 929.7/2 ED: 19.