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Frederick Nassau de Zuylestein
Frederik van Nassau-Zuylestein
Portrait of Frederick of Nassau-Zuylestein attributed to Jan de Baan.jpg
Portrait by Sir Peter Lely
Personal details
Died12 October 1672
Woerden, Dutch Republic
SpouseMary Killegrew
ChildrenWilliam Nassau de Zuylestein, 1st Earl of Rochford Hendrik van Nassau-Zuylestein

Frederick of Nassau, Lord of Zuylestein (1624–1672) was an illegitimate son of Frederick Henry, Prince of Orange, by Margaretha Catharina Bruyns,


Castle Zuylestein in 1650, later destroyed by bomb attack during World War II.

Frederick was born in 1624 out of wedlock to Frederick Henry, Prince of Orange (1584 – 1647) and Margaretha Catharina Bruyns (1595–1625), who was the daughter of Ludolph Bruyns, mayor of Emmerich.

On 15 March 1640, Frederick's father gave him Castle Zuylestein (also spelled Zuylenstein) - situated about twenty miles east of the city of Utrecht, and with it he also gave him the title Lord of Zuylestein (in Dutch: Heer van Zuylestein). Furthermore, he made Frederick captain of infantry for the state.
In 1659, Frederick was made governor of the household of his nephew, William III of Orange. Through lobbying by Johan de Wit, William III became the state's ward in 1666, and Frederick was dismissed. His dismissal was because he was married to an Englishwoman and was under suspicion of pro-English leanings. In April 1672 (the rampjaar) he became general of the infantry and in August he became involved in the murders of Johan and Cornelis de Wit.

Marriage and children

On 16 October 1648, Frederick married Mary Killigrew (born 1627) in The Hague. She was a daughter of William Killigrew (1606–1695) (a favourite of Charles I and Charles II of England) and Mary Hill, of Honilay. She was a first cousin of Charles II's illegitimate daughter, the Countess of Yarmouth. She had moved to the Netherlands in February 1644, aged barely seventeen, as a maid of honour to Mary, Princess Royal and Princess of Orange.

Frederick and Mary had three children:

  • Willem Hendrik van Nassau-Zuylestein, 1st Earl of Rochford, Heer van Zuylestein, Leersum en Waayenstein (1649 – 12 July 1708). He was born at Castle Zuylestein. He became a soldier and diplomat and was a close confidant of his cousin, William III of England, who rewarded him with the titles Earl of Rochford, Viscount Tunbridge and Baron Enfield in 1695.
  • Hendrik van Nassau-Zuylestein, Heer van Leersum (ca 1650 – 13 November 1673). He died in the siege of Bonn when the troops of the Republic, under the leadership of his cousin William III, conquered Bonn, which resulted in the French supply lines to the troops in the Republic being cut off.
  • Maria van Nassauw, (1656-?)


In October 1672 Frederick died near Woerden in a battle with the French known as the Battle of Kruipin.[1]


Prince Frederick Henry and his wife Amalia of Solms-Braunfels with their three youngest daughters, portrayed by Gerard van Honthorst.

Frederick was an illegitimate son of Frederick Henry, Prince of Orange, born to him before he married. Frederick had nine legitimate half-siblings with whom he shared his father. Their mother was his father's wife Amalia of Solms-Braunfels.


Frederick used the arms below.


Family tree of the House of Nassau-Zuylestein
William I
"the Silent"
Prince of Orange 1544
Stadholder of Holland, Zealand & Utrecht
Princely crown.svg
Willem van Oranje wapen.svg
Margaretha Catharina Bruyns
Frederick Henry
Prince of Orange, 1625,
Stadtholder of Holland, Zeeland, & etc.
Princely crown.svg
Willem van Oranje wapen.svg
Mary Killigrew
daughter of Sir William Killigrew
Frederick of Nassau
Lord of Zuylestein
Nassau Zuijlestein stamwapen.svg
Hendrik van Nassau
(c. 1650–?1673)
Heer van Leersum
William van Nassau
Earl of Rochford
Anna Nassau de Zuylestein
(c. 1681–?1701)
William Nassau de Zuylestein
Earl of Rochford
Frederik Nassau de Zuylestein
heer van Zuylestein, Leersum en Waayenstein 1709–1738,
Earl of Rochford,1710
Maurits van Nassau-Zuylestein
Colonel, English Army
Maria van Nassau-Zuylestein
married baron Godard Adriaan van Reede (16xx–?1730)
heer van Herreveld and Earl of Athlone, son of Godard van Reede heer van Ginckel (1644–1703)
Elizabeth van Nassau-Zuylestein
(1688–?c. 1720)
married Frederik Christiaan van Reede, baron van Reede, Earl of Athlone
Frederik Hendrik (Henry) van Nassau-Zuylestein
William Nassau de Zuylestein
Earl of Rochford
British courtier, diplomat and statesman
illeg. desc.
Richard Savage Nassau de Zuylestein
Member of Parliament, 1747–1754, 1774–1780
Frederick Nassau[3][4]
Master of St. Osyth Priory
William Henry Nassau
Earl of Rochford
George Richard Savage Nassau
Lucy Nassau
William Frederick Nassau[3][4]
Master of St. Osyth Priory
Ann Nassau[3][4]
John Augustus Nassau[3][4]
Elizabeth Catherina Nassau[3][4]
Mistress of St. Osyth Priory
married John Roberts Kirby
Eliza Nassau[3][4]
Rochford Augustus Nassau[3][4]
Letta Mary Nassau[3][4]
Frederik "Frank" Rochford Nassau[3][4]
Herbert Arthur Nassau[3][4]
Harold Charles Nassau[3][4]
Nellie Nassau[3][4]
Ethel Violet Nassau[3][4]
married Frederick Savage
Doris Elsie Nassau[3][4]
married Stanley Philip Painter
Frederik (Freddie) Herbert Nassau[3][4]
one daughter
Herbert John Nassau[3][4]
2 daughters


  • Herbert H. Rowen, The princes of Orange: the stadholders in the Dutch Republic. Cambridge and New York: Cambridge University Press, 1988.
  • Herbert H. Rowen, The princes of Orange: the stadholders in the Dutch Republic. Cambridge and New York: Cambridge University Press, 2003.
  • Petrus Johannes Blok, "History of the people of the Netherlands". New York: G. P. Putnam's sons, 1898.
  • Jonathan I. Israel, "The Dutch Republic: Its Rise, Greatness, and Fall, 1477–1806" Oxford University Press, 1995. ISBN 0-19-820734-4


  1. ^ Battle of Kruipin in the Canon of Utrecht
  2. ^ Rietstap, Johannes Baptist (1861). Armorial général, contenant la description des armoiries des familles nobles et patriciennes de l'Europe: précédé d'un dictionnaire des termes du blason. G.B. van Goor. p. 746.
  3. ^ a b c d e f g h i j k l m n o p q r MAREK, Miroslav (2012). "GENEALOGY.EU, The House of Nassau". GENEALOGY.EU. Retrieved 2016-11-18.
  4. ^ a b c d e f g h i j k l m n o p q r "". ANCESTRY.COM. 2016. Retrieved 2016-11-18.

1 Annotation

Second Reading

Terry Foreman  •  Link

Count Zuylestein (d. 1672) tutor and uncle of the Prince of Orange.

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Chart showing the number of references in each month of the diary’s entries.