Mary of Lancaster, Baroness Percy ( – 1 September 1362), was the youngest surviving child of

Henry, 3rd Earl of Lancaster Henry, 3rd Earl of Leicester and Lancaster ( – 22 September 1345) was a grandson of King Henry III of England (1216–1272) and was one of the principals behind the deposition of King Edward II (1307–1327), his first cousin. Origins He was ...

by his wife

Maud Chaworth Maud de Chaworth (2 February 1282 – 3 December 1322) was an English noblewoman and wealthy heiress. She was the only child of Patrick de Chaworth. Sometime before 2 March 1297, she married Henry, 3rd Earl of Lancaster, by whom she had seven c ...

. Through her father, she was a great-granddaughter of

Henry III of England Henry III (1 October 1207 – 16 November 1272), also known as Henry of Winchester, was King of England, Lord of Ireland, and Duke of Aquitaine from 1216 until his death in 1272. The son of King John and Isabella of Angoulême, Henry ...

Family

Mary was born in 1320 or 1321. She was a sister of

Henry of Grosmont, 1st Duke of Lancaster Henry of Grosmont, Duke of Lancaster (– 23 March 1361) was an English statesman, diplomat, soldier, and Christian writer. The owner of Bolingbroke Castle in Lincolnshire, Grosmont was a member of the House of Plantagenet, which was ruling o ...

, Maud, Countess of Ulster, Joan, Baroness de Mowbray, and Eleanor, Countess of Arundel. Through her brother Henry, she was the aunt of

Blanche of Lancaster Blanche of Lancaster (25 March 1342 – 12 September 1368) was a member of the English royal House of Plantagenet and the daughter of the kingdom's wealthiest and most powerful peer, Henry of Grosmont, 1st Duke of Lancaster. She was the first w ...

, first wife of

John of Gaunt John of Gaunt, Duke of Lancaster (6 March 1340 – 3 February 1399) was an English royal prince, military leader, and statesman. He was the fourth son (third to survive infancy as William of Hatfield died shortly after birth) of King Edward ...

and mother of

Henry IV of England Henry IV ( April 1367 – 20 March 1413), also known as Henry Bolingbroke, was King of England from 1399 to 1413. He asserted the claim of his grandfather King Edward III, a maternal grandson of Philip IV of France, to the Kingdom of F ...

Marriage

Near September 1334 at

Tutbury Castle Tutbury Castle is a largely ruined medieval castle at Tutbury, Staffordshire, England, in the ownership of the Duchy of Lancaster and hence currently of King Charles III. It is a Scheduled Ancient Monument. People who have stayed in the castle ...

, she married Henry Percy, eldest son of

Henry de Percy, 2nd Baron Percy Henry Percy, 9th Baron Percy of Topcliffe, 2nd Baron Percy of Alnwick (6 February 1301 – 26 February 1352) was the son of Henry de Percy, 1st Baron Percy of Alnwick, and Eleanor Fitzalan, daughter of Sir Richard FitzAlan, 8th Earl of Arundel, a ...

and Idoine de Clifford. He succeeded his father as 3rd Baron Percy in 1352. They had the following surviving issue: *

Henry Percy, 1st Earl of Northumberland Henry Percy, 1st Earl of Northumberland, 4th Baron Percy, titular King of Mann, KG, Lord Marshal (10 November 134120 February 1408) was the son of Henry de Percy, 3rd Baron Percy, and a descendant of Henry III of England. His mother was M ...

(10 November 1341 – 20 February 1408) married firstly Margaret Neville and secondly Maud, Baroness Lucy. *

Thomas Percy, 1st Earl of Worcester Thomas Percy, Earl of Worcester, KG (134323 July 1403) was an English medieval nobleman and naval commander best known for leading the rebellion with his nephew Henry Percy, known as 'Harry Hotspur', and his elder brother, Henry Percy, 1st Ear ...

(1344–1403).

Death

Mary died at Alnwick, Northumberland, England on 1 September 1362, where she was also buried. Her husband Henry would marry a second time to Joan Orreby, daughter and heiress of John, 2nd Lord Orreby.

Ancestry

References

Works cited * * {{DEFAULTSORT:Mary Of Lancaster House of Plantagenet 1320s births 1362 deaths 14th-century English people 14th-century English women Daughters of British earls

Percy The English surname Percy is of Norman origin, coming from Normandy to England, United Kingdom. It was from the House of Percy, Norman lords of Northumberland, derives from the village of Percy-en-Auge in Normandy. From there, it came into use ...