Mary Plantagenet, Baroness of Percy b. 1319 Tutbury, Staffordshire, England d. 1 Sep 1362: The Wilder Family Tree

1319 - 1362 (43 years)

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Name	Mary Plantagenet [1, 2, 3, 4, 5, 6]
Suffix	Baroness of Percy
Birth	1319	Tutbury, Staffordshire, England
Gender	Female
Death	1 Sep 1362
Burial	Alnwick, Northumberland, England
Person ID	I20570	My Genealogy
Last Modified	16 May 2026

Father	Henry Plantagenet, Earl of Lancaster I, b. 1281, Grismond Castle, Monmouth, Wales d. 22 Sep 1345, Canongate, Edinburgh, Midlothian, Scotland (Age 64 years)
Relationship	natural
Mother	Maud de Chaworth, b. Abt 1282, Kidwelly, Carmarthen, Wales d. Bef 5 Dec 1322, Mottisfont, Hampshire, England (Age < 40 years)
Relationship	natural
Marriage	Between 2 Mar 1296 and 1297	Castle, Grosmont, Monmouth, Wales [2, 7]
Family ID	F4383	Group Sheet \| Family Chart

Family Sir. Henry IV de Percy, Baron, b. 1322, Castle, Alnwick, Northumberland, England d. 18 May 1368, Berwick Castle, Berwick, Wiltshire, England (Age 46 years)

Marriage 1344 Tutbury, Staffordshire, England [1, 3]

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

[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.
[S35] Fraser, Antonia, "The Lives of the Kings and Queens of England", (Name: (New York:NY, Alfred A. Knopf Inc., 1975);), p. 70-71.
[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.
[S129] Adams, Arthur, 1881-1960, ed. (Main) Weis, Frederick Lewis, 1895-1966, joint author. (Added) Sheppard, Walter Lee, 1911- (Added), "The Magna Charta sureties, 1215 : the barons named in the Magna Charta, 1215, and some of their descendants who settled in America, 1607-1650", (Name: (Baltimore : Genealogical Pub. Co., 1979); ISBN: 0-8063-0866-4 ; LC CALL NO.: CS55.A31979; FORMAT: Book ; LCCN: 79-89349;), p. 21 3:19-30, 929/.2/0973.
[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);).
[S61] Martin, John Stanwood. (Main) Weis, Frederick Lewis, 1895-1966. Ancestral roots of sixty colonists who came to New England between 1623 and 1650. (Added) Weis, Frederick Lewis, 1895-1966. Magna Charta sureties. (Added), "European ancestors of American colonists, an index : a combined every-name index to Ancestral roots of sixty colonists and Magna Charta sureties, both by the Rev. Frederick L. Weiss [sic], and 5,000 persons from other sources, Sixth Edition", (Name: (Malvern, Pa. : J.S. Martin, c1994); LC CALL NO.: CS55.W41969Index; FORMAT: Book ; LCCN: 94-218214 //r952 (Baltimore:MD, Genealogical Publishing Co., 1988);), p. 21 #19-29, 929/.374 ED: 20.