John Dudley, Duke of Northumberland and his wife Jane Guildford had 13 children, eight sons and five daughters; however, there survive no records of their birthdates, which are therefore difficult to establish with any certainty.
Table 1: The sons of John Dudley and Jane Guildford
| Henry Dudley, c.1525 – 1544, “died at the siege of Boulogne being xix years old”* |
| Thomas Dudley, “second son died at the age of two years”* |
| John Dudley, Earl of Warwick, 1530 – 21 October 1554, “third son died without issue xxiii years old”*; “died Anno. 1554. skarce of 24 years of age”** |
| Ambrose Dudley, Earl of Warwick, 1531(?) – 21 February 1590, “fourth son”* |
| Robert Dudley, Earl of Leicester, 24 June 1532 – 4 September 1588, “fifth son”*** |
| Guildford Dudley, died 12 February 1554, “sixth son married the Lady Jane and died with her”* |
| Henry Dudley, died 1557, “seventh son slain at the siege of St. Quentin’s”* |
| Charles Dudley, “eighth son died at the age of viii years”* |
| data based on: *Genelogies of the Erles of Lecestre and Chester: U Penn Ms. Codex 1070 **John Dee: The Mathematicall Praeface ***Epitaph of Robert Dudley, Earl of Leicester at Beauchamp Chapel, St. Mary’s Church, Warwick |
Table 2: The daughters of John Dudley and Jane Guildford
| Mary, Lady Sidney, eldest daughter, died 9 August 1586 |
| Margaret, “died at the age of iiii years”* |
| Temperance, “died at the age of one year”* |
| Katherine Hastings, Countess of Huntingdon, third or fourth daughter**, c.1543(?)** – 14 August 1620 |
| Katherine, fifth daughter**, 1545(?)** – 1552(?), “died at the age of vii years”* |
| data based on: *Genelogies of the Erles of Lecestre and Chester: U Penn Ms. Codex 1070 **Simon Adams (ed.) (1995): Household Accounts and Disbursement Books of Robert Dudley, Earl of Leicester. Cambridge University Press. p. 44. |
Table 3: John Dudley’s children with their spouses
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Henry Dudley c.1525 – 1544
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| John Dudley 1530(?) – 1554 | m. 1550 Anne Seymour, daughter of Edward Seymour, Duke of Somerset |
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| Ambrose Dudley 1531(?) – 1590 | m. c.1549 Anne Whorwood, daughter of Sir William Whorwood, Attorney-General |
m. before July 1553 Elizabeth Tailboys, Baroness Tailboys |
m. 1565 Anne Russell, daughter of Francis Russell, 2nd Earl of Bedford |
| Robert Dudley 1532 – 1588 | m. 1550 Amy Robsart, daughter of Sir John Robsart |
m. 1578 Lettice Devereux, Countess of Essex, daughter of Sir Francis Knollys | |
| Guildford Dudley d.1554 | m. 1553 Lady Jane Grey | ||
| Henry Dudley d.1557 | m. before July 1553 Margaret Audley, daughter of Thomas Audley, 1st Baron Audley of Walden |
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| Mary Dudley d.1586 | m. 1551 Henry Sidney, son of Sir William Sidney |
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| Katherine Dudley c.1543 – 1620 |
m. 1553 Henry Hastings, son of Francis Hastings, 2nd Earl of Huntingdon |
Table 4: John Dudley and his brothers, and their half-sisters from his father’s first marriage and his mother’s second marriage
| Edmund Dudley (1571/1572 – 1510) | m. c.1493 Anne Windsor (d. by 1503), sister of Andrew Windsor, 1st Baron Windsor | m. c.1503 Elizabeth Grey (c.1481/3 – 1525), daughter of Edward Grey, 4th Viscount Lisle | Elizbabeth Grey m. 1511 Arthur Planatgenet |
| Elizabeth Dudley (before 1500 – after 1550); m. William Stourton, 7th Baron Stourton; m. 1550 Edward Ludlowe; mother of Charles Stourton, 8th Baron Stourton and Ursula Stourton, 2nd wife of Edward Fiennes, 9th Baron Clinton | John Dudley, Viscount Lisle, Earl of Warwick, Duke of Northumberland (1504/1505 – 1553); m. before 1525 Jane Guildford | Frances Plantagenet; m. John Basset, m. Thomas Monke | |
| Sir Andrew Dudley (c.1507 – 1559) | Bridget Plantagenet | ||
| Jerome Dudley (d. after 1556) | Elizabeth Plantagenet; m. before 1543 Francis Jobson |
Table 5: The Dudleys of Dudley Castle and their cousins Edmund, John, and Robert Dudley
| John (Sutton), 1st Baron Dudley | ||
| Sir Edmund Dudley | John Dudley, Knight of Atherington | William Dudley, Bishop of Durham |
| Edward Dudley, 2nd Baron Dudley | Edmund Dudley | |
| John Dudley, 3rd Baron Dudley, “Lord Quondam” | John Dudley, Duke of Northumberland | |
| Edward Dudley, 4th Baron Dudley, brother of the conspirator Henry Dudley | Robert Dudley, Earl of Leicester |
Table 6: The descent of John Dudley, Duke of Northumberland from Richard Beauchamp, 13th Earl of Warwick and John Talbot, 1st of Shrewsbury
| Richard Beauchamp, 13th Earl of Warwick | |
| Margaret Beauchamp …………… married | John Talbot, 1st Earl of Shrewsbury |
| John Talbot, 1st Viscount Lisle | |
| Elizabeth Talbot, Baroness Lisle | |
| Elizabeth Grey, Baroness Lisle | |
| John Dudley, Duke of Northumberland |
Table 7: The common descent of Lady Jane Grey and Guildford Dudley from Edward Grey and his wife Elizabeth Ferrers, Baroness Ferrers of Groby
| Reginald Grey, 3rd Baron Grey de Ruthyn | |
| Sir Edward Grey ……………. married | Elizabeth Ferrers, Baroness Ferrers of Groby |
| Sir John Grey of Groby | Edward Grey, 1st Viscount Lisle |
| Thomas Grey, 1st Marquess of Dorset | Elizabeth Grey, Baroness Lisle |
| Thomas Grey, 2nd Marquess of Dorset | John Dudley, Duke of Northumberland |
| Henry Grey, Duke of Suffolk | Lord Guildford Dudley |
| Lady Jane Grey |
See also:
Robert Dudley’s Birthdate
Lord Guildford, Lady Jane’s Cousin
Daughter Or Daughter-In-Law?
