Blanche of Lancaster(1342 — 1368)

Blanche of Lancaster

royaume d'Angleterre

8 min read

PoliticsSocietyPolitiqueMiddle AgesMedieval England of the 14th century, during the Hundred Years' War

Blanche of Lancaster (c. 1341–1368) was the daughter of Henry of Grosmont, first Duke of Lancaster, and the wife of John of Gaunt, son of King Edward III of England. Her early death inspired her husband to commission the poem *The Book of the Duchess* from Geoffrey Chaucer.

Frequently asked questions

Blanche of Lancaster, born around 1341 and died in 1368, was the daughter of the powerful Henry of Grosmont, Duke of Lancaster, and the wife of John of Gaunt, son of King Edward III. The key point is that she was one of the greatest heiresses in England: upon her father's death in 1361, she brought her husband an immense feudal estate, consolidating Lancaster power for several generations. Her son, Henry Bolingbroke, became king as Henry IV, founding the royal Lancaster branch. Less well known than her descendants, she is nonetheless the keystone of that rise.

Key Facts

  • c. 1341: born, daughter of Henry of Grosmont, first Duke of Lancaster
  • 1359: married John of Gaunt, son of Edward III of England
  • 1368: died of the Black Death at around age 27
  • Her death inspired Geoffrey Chaucer's *The Book of the Duchess* (c. 1368–1374)
  • She passed on to her descendants the rights to the Duchy of Lancaster, laying the foundation for the future royal House of Lancaster

Works & Achievements

Transmission and Consolidation of the Duchy of Lancaster (1361-1362)

Through her inheritance upon the death of her father Henry of Grosmont in 1361, Blanche conveyed to her husband John of Gaunt one of the greatest feudal estates in England. This major patrimonial act consolidated Lancaster power for generations and shaped the course of English royal history.

Foundation of a Liturgical Anniversary at St Paul's Cathedral, London (1369)

John of Gaunt, in memory of Blanche, founded anniversary masses celebrated each year at St Paul's Cathedral. This pious foundation ensured Blanche a lasting commemoration within the religious institutions of fourteenth-century England.

Inspiration for Geoffrey Chaucer's 'Book of the Duchess' (c. 1368–1374)

The life and death of Blanche were the direct inspiration behind John of Gaunt's commissioning of Chaucer's poem, one of the earliest great poetic texts in Middle English. Without Blanche, this foundational work of English literature would never have come into being.

Anecdotes

Blanche of Lancaster was one of the most sought-after heiresses in England. Upon the death of her father Henry of Grosmont in 1361, she inherited the vast Lancaster fortune, comprising dozens of castles and estates. This exceptional wealth made her and her husband John of Gaunt one of the most powerful couples in the kingdom, almost rivalling the royal family itself.

Her marriage to John of Gaunt, son of King Edward III, was celebrated with great pomp at Reading in May 1359. The ceremony brought together the cream of the English nobility, and the couple received lavish gifts from the king himself. This union cemented Lancaster power within the Plantagenet royal family.

Blanche died on 12 September 1368, most likely carried off by a plague epidemic, at barely twenty-six years of age. Her death plunged her husband John of Gaunt into deep grief. To honour her memory, he commissioned the young poet Geoffrey Chaucer to write a verse work, *The Book of the Duchess*, one of the first great poems of medieval English literature.

Although she died young, Blanche left a remarkable royal legacy. Her son Henry of Bolingbroke, born in 1367, later became King Henry IV of England, founding the royal House of Lancaster. Her daughter Philippa married King John I of Portugal, becoming the ancestor of many European dynasties.

John of Gaunt had Blanche's tomb erected in St Paul's Cathedral in London and endowed anniversary masses celebrated there each year in her memory. This enduring devotion from her husband towards a woman who had been dead for years speaks to the genuine bond that united this noble couple, far beyond mere political interest.

Primary Sources

Le Livre de la Duchesse (The Book of the Duchess), Geoffrey Chaucer (c. 1368–1374)
I have gret wonder, be this lyght, / How that I lyve, for day ne nyght / I may nat slepe wel nygh noght... She was redy to withstonde / That her thoughte to do good.
Chronicles, Jean Froissart (c. 1370–1400)
The Duke of Lancaster mourned deeply for the death of his lady and duchess, who had been a woman of great virtue and beauty, who passed away in the year of grace one thousand three hundred and sixty-eight.
Duchy of Lancaster Records (The National Archives, England) (1369)
Indentura facta inter Johannem ducem Lancastriae et procuratores suos pro anniversario et missis pro anima Blanchae quondam uxoris suae ducissae Lancastriae celebrandis in ecclesia Sancti Pauli Londinii.

Key Places

Bolingbroke Castle, Lincolnshire

A Lancastrian fortress where Henry of Bolingbroke was born in 1367, son of Blanche, and future **Henry IV** of England. This castle was one of the centres of Lancastrian power in England.

Reading, Berkshire

The town where Blanche's marriage to John of Gaunt was celebrated in May 1359, in the presence of King **Edward III** and the entire English court. This event marked Blanche's official entry into the royal Plantagenet family.

Kenilworth Castle, Warwickshire

A great Lancastrian residence inherited by Blanche, which became one of John of Gaunt's principal homes after their marriage. This castle embodies the ducal Lancastrian power that Blanche brought with her.

Old St Paul's Cathedral, London

The burial place of Blanche of Lancaster, where she was interred with great ceremony in September 1368. John of Gaunt arranged for anniversary masses to be held there in her memory every year, a testament to his lasting devotion.

Leicester Castle, Leicestershire

The historic seat of the Dukes of Lancaster, where Blanche likely spent part of her childhood and her years as duchess. This castle was the symbolic heart of the family patrimony she brought to her husband.

See also