Egidia de Lacy, Lady of Connacht

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Egidia de Lacy
Lady of Connacht
Spouse(s) Richard Mor de Burgh
Richard de Burgh, Lord of Connacht, Justiciar of Ireland
Walter de Burgh, 1st Earl of Ulster
William de Burgh
Margery de Burgh
Unnamed daughter, wife of Gerald de Prendergast
Unnamed daughter, wife of Hamon de Valoignes
Alice de Burgh
Noble family de Lacy
Father Walter de Lacy, Lord of Trim Castle and Ludlow Castle
Mother Margaret de Braose
Born c. 1205
Trim Castle, Co. Meath, Ireland
Died Ireland

Egidia de Lacy, Lady of Connacht (born c. 1205), was a Cambro-Norman noblewoman, the wife of Richard Mór de Burgh, 1st Baron of Connaught and Strathearn (c.1194–1242), and the mother of his seven children, including Walter de Burgh, 1st Earl of Ulster. She was also known as Gille de Lacy. Egidia was the daughter of Walter II de Lacy by his second wife Margaret de Braose.


Trim Castle, birthplace of Egidia de Lacy

Egidia de Lacy was born at Trim Castle, (County Meath, Ireland) about 1205, the daughter of Walter de Lacy, Lord of Meath and Margaret de Braose. Egidia, also known as Gille, was one of at least six children. Her brother Gilbert de Lacy (c. 1202 – d. 1230)married Isabel Bigod, by whom he had issue. Her sister Pernel de Lacy (c.1201 – after 25 November 1288), married firstly, William St. Omer, and secondly, Ralph VI de Toeni, by whom she had issue.

Egidia'a paternal grandparents were Hugh de Lacy, Lord of Meath, and Rohese of Monmouth, and her maternal grandparents were William de Braose, 4th Lord of Bramber, and Maud de St. Valery.

Marriage and children[edit]

On 21 April 1225, she married Richard Mor de Burgh (1194 –17 February 1243), Lord of Connacht (May 1227- 1242/1243), Justiciar of Ireland (1228–1232), the son of William de Burgh and More O' Brien, daughter of Donal Mor mac Turlough O' Brien, King of Thomond and Orlachan MacMurrough of Leinster. The marriage produced seven children:

  • Richard de Burgh, Lord of Connacht (died 1248)
  • Walter de Burgh, 1st Earl of Ulster (1230 – 28 July 1271), married Aveline FitzJohn, daughter of John FitzGeoffrey, Justiciar of Ireland and Isabel Bigod, by whom he had issue, including Richard Óg de Burgh, 2nd Earl of Ulster.
  • William de Burgh (died 1270), married and had a son, William Liath.
  • Margery de Burgh (died after 1 March 1253), married Theobald le Botiller, son of Theobald le Botiller, chief Butler of Ireland and Joan du Marais, by whom she had issue. They were ancestors of the Butler Earls of Ormond.
  • Unnamed daughter who married Gerald de Prendergast, by whom she had issue, including a daughter Maud de Prendergast who in her turn married as his first wife Maurice FitzGerald, 3rd Lord of Offaly. Maurice FitzGerald and Maud de Prendergast were the parents of a daughter, Juliana FitzGerald.
  • Unnamed daughter who married Hamon de Valoignes, by whom she had issue.
  • Alice de Burgh


Egidia died on an unknown date in Ireland.

Royal ancestor[edit]

Egidia had many notable descendants, including Elizabeth de Burgh, Catherine Parr,[1] Margaret de Clare, the Earls of Ormond, and many Kings and Queens of Scotland and England. She was the ancestor of both Anne Boleyn and King Henry VIII of England, the parents of Elizabeth I. Through the Royal families of England and Scotland, she became the ancestor of Royal houses all over Europe.

Egidia became:

Line of descent for the Scottish Royal family[edit]

Line of descent for the Scottish Royal family from Egidia de Lacy to David II of Scotland:

  1. Egidia de Lacy (b.c.1205)
  2. Walter de Burgh (c.1230–1271)
  3. Richard Óg de Burgh (1259–1326)
  4. Elizabeth de Burgh (c.1284–1327), the wife of Robert the Bruce (Robert I of Scotland)
  5. David II of Scotland (1324–1371)

Line of descent for the English Royal family from Egidia de Lacy to Edward IV of England:

  1. Egidia de Lacy (b.c.1205)
  2. Walter de Burgh (c.1230–1271)
  3. Richard Óg de Burgh (1259–1326)
  4. John de Burgh (c.1286–1313)
  5. William Donn de Burg (1312–1333)
  6. Elizabeth de Burgh (1332–1363), the wife of Lionel of Antwerp, Duke of Clarence, 3rd son of Edward III of England
  7. Phillipa of Clarence (1355–1382), the wife of Edmund Mortimer
  8. Roger de Mortimer (1374–1398)
  9. Anne de Mortimer (1390–1411), the wife of Richard of Conisburgh
  10. Richard Plantagenet, 3rd Duke of York (1411–1460)
  11. both Edward IV of England (1442–1483) and Richard III of England (1452–1485)

From Edward IV descend all subsequent Kings and Queens regnant of England who followed his brother Richard III, with only 1 exception as mentioned above, as well as James V of Scotland and his descendants.

Another link exists into the Royal Windsor family through Sarah Ferguson via Wingfield, Meade, O'Brien, Fitzgerald, and then to Richard Óg de Burgh, a grandson of the said Egidia de Lacy, and a greatx5-grandson of Walter de Lacey the Norman soldier. This link makes Sarah Ferguson and her ex-spouse, Queen Elizabeth II's second son Prince Andrew, Duke of York, distant cousins.

Family Tree from Walter I de Lacy to Egidia to Elizabeth II[edit]

 Walter I de Lacy, the Norman soldier
 Emma de Lacy
 Gilbert I de Lacy
 Hugh II de Lacy
 Walter II de Lacy
 Egidia de Lacy
 Walter de Burgh
 Richard Óg (the young) de Burgh
  |                            |
 John de Burgh Elizabeth de Burgh_____Robert the Bruce_____Isabella of Mar
 (c.1286–1313) (c.1284–1327)       |  (Robert I          ^
  |                                                |  of Scotland)       ^
 William Donn de Burg                              |                     ^
 (1312–1333) David II of Scotland          ^
  |                                        (1324–1371)                   ^
 Elizabeth de Burgh                                                      ^
 (1332–1363)                                                             ^
 m. Lionel of Antwerp                                                    ^
 (son of Edward III of England)                                          ^
  |                                                                      ^
 Phillipa of Clarence                                                    ^
 (1355–1382)                                                             ^
 m. Edmund Mortimer                                                      ^
  |                                                                      ^
 Roger de Mortimer                                                       ^
 (1374–1398)                                                             ^
  |                                                                      ^
 Anne de Mortimer                                                        ^
 (1390–1411)                                                             ^
 m. Richard of Conisburgh                                                ^
  |                                                                      ^
 Richard Plantagenet                                                     ^
 (1411–1460)                                                             ^
  |                                                                      ^
 Edward IV of England                                                    ^
 (1442–1483)                                                             ^
  |                                                                      ^
 Elizabeth of York                                                       ^
 (1466–1503)                                                             ^
 m. Henry VII of England                                                 ^
  |                                                                      ^
 Margaret Tudor________________________________________________James IV of Scotland
 (1489–1541) (1473–1513)
 James V of Scotland
 Mary, Queen of Scots
 m. Henry Stuart
 James VI of Scotland
 (also James I of England & Ireland)
 Elizabeth of Bohemia
 Sophia of Hanover
 George I of Great Britain & Ireland
 George II of Great Britain & Ireland
 Frederick, Prince of Wales
 George III of the United Kingdom
 Prince Edward, Duke of Kent
 Victoria of the United Kingdom
 Edward VII of the United Kingdom
 George V of the United Kingdom
 George VI of the United Kingdom
 Elizabeth II of the United Kingdom
 (b. 1926)



  1. ^ Tudor Place, Entry: Mary Talbot