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House of Nassau-Weilburg

From Wikipedia, the free encyclopedia

House of Nassau-Weilburg
Blason Nassau-Weilbourg.svg
Parent houseHouse of Nassau[1][2]
Founded1344; 677 years ago (1344)
FounderJohn I of Nassau-Weilburg
Current headGrand Duke Henri (Cognatic)
Style(s)His/Her Royal Highness
Estate(s)of Nassau and Luxembourg

The House of Nassau-Weilburg, a branch of the House of Nassau, ruled a division of the County of Nassau, which was a state in what is now Germany, then part of the Holy Roman Empire, from 1344 to 1806.

On July 17, 1806, on the dissolution of the Holy Roman Empire, the counties of Nassau-Usingen and Nassau-Weilburg both joined the Confederation of the Rhine. Under pressure from Napoleon, both counties merged to become the Duchy of Nassau on August 30, 1806, under the joint rule of Prince Frederick August of Nassau-Usingen and his younger cousin, Prince Frederick William of Nassau-Weilburg. As Frederick August had no heirs, he agreed that Frederick William should become the sole ruler after his death. However, Frederick William died from a fall on the stairs at Schloss Weilburg on January 9, 1816, and it was his son William who later became duke of a unified Nassau.

The sovereigns of this house afterwards governed the Duchy of Nassau until 1866. Since 1890, they have reigned the Grand Duchy of Luxembourg.


The first two Grand Dukes of Luxembourg, Adolphe and Guillaume IV, were Protestants, however, the Christian denomination of the house changed after Grand Duke Guillaume IV's marriage to Marie Anne de Braganza, who was Roman Catholic.[2]


Sovereigns from the House of Nassau-Weilburg

(Princely) County of Nassau-Weilburg

(Gefürstete) Grafschaft Nassau-Weilburg
Coat of arms
Nassau-Weilburg as in 1789
Nassau-Weilburg as in 1789
Historical eraMiddle Ages
Early modern
• Established
• Raised to princely county
• Seized Electoral Trier
    (east of Rhine)
• Merged w. N.-Usingen
    into Nassau
30 August 1806
Preceded by
Succeeded by
County of Nassau
Electorate of Trier
Duchy of Nassau


Counts of Nassau-Weilburg

Princely counts of Nassau-Weilburg

Dukes of Nassau

Grand Dukes of Luxembourg

Henri, Grand Duke of LuxembourgJean, Grand Duke of LuxembourgCharlotte, Grand Duchess of LuxembourgMarie-Adélaïde, Grand Duchess of LuxembourgWilliam IV, Grand Duke of LuxembourgAdolphe, Grand Duke of Luxembourg

Family Tree

Compiled from Wikipedia and:[3][4]

For ancestors of the
House of Nassau-Weilburg
(House of Nassau family tree)
John III
(1441 +1480)
Count of Nassau-Weilburg
Rangkronen-Fig. 18.svg

Blason Philippe de Nassau-Sarrebrück (selon Gelre).svg
Louis I
(1473 +1523)
Count of Nassau-Weilburg
Rangkronen-Fig. 18.svg
Philip III
(1504 +1559)
Count of Nassau-Weilburg
Rangkronen-Fig. 18.svg
(1537 +1593)
Count of Nassau-Weilburg
Rangkronen-Fig. 18.svg
Philip IV
(1542 +1602)
Count of Nassau-Weilburg
in Saarbrucken
Rangkronen-Fig. 18.svg

Blason Philippe de Nassau-Sarrebrück (selon Gelre).svg
Louis II
(1565 +1627)
Count of Nassau-Weilburg
in Ottweiler
Rangkronen-Fig. 18.svg
Count of Nassau-Weilburg
in Weilburg
Rangkronen-Fig. 18.svg
John Casimir
(1577 +1602)
Count of Nassau-Weilburg
in Gleiberg
Rangkronen-Fig. 18.svg
William Louis
(1590 +1640)
Count of Nassau-Saarbrücken
Rangkronen-Fig. 18.svg

Blason Nassau-Weilbourg-Saarbrucken.svg
(1603 +1677)
Count of Nassau-Idstein
Rangkronen-Fig. 18.svg

Counts of Nassau-Idstein
Ernest Casimir
(1607 +1655)
Count of Nassau-Weilburg
Rangkronen-Fig. 18.svg
John Louis
(1625 +1690)
Count of Nassau-Ottweiler
Rangkronen-Fig. 18.svg

ext. 1728
Gustav Adolph
(1632 +1677)
Count of Nassau-Saarbrücken
Rangkronen-Fig. 18.svg

ext. 1723
(1635 +1702)
Count & Prince of Nassau-Usingen
Princely crown.svg

ext. 1816
(1640 +1675)
Count of Nassau-Weilburg
Rangkronen-Fig. 18.svg
John Ernst
(1664 +1719)
Count & Prince of Nassau-Weilburg
Princely crown.svg
Charles August
(1685 +1753)
Prince of Nassau-Weilburg
Princely crown.svg
Charles Ernst
Prince of Nassau-Weilburg
Princely crown.svg
Charles Christian
(1735 +1788)
Prince of Nassau-Weilburg
Princely crown.svg
Princess Carolina of Orange-Nassau
(1743 +1787)
Frederick William
(1768 +1816)
Prince of Nassau-Weilburg
Princely crown.svg
(1792 +1839)
Duke of Nassau
Royal Crown of the Netherlands (Heraldic).svg

Blason Guillaume, duc de Nassau (1816-1839).svg
(1817 +1905)
Duke of Nassau 1839-1866
Grand Duke of Luxembourg
Crown of the Grand Duke of Luxembourg.svg
Crown of the Grand Duke of Luxembourg.svg

CoA Grand Duke of Luxembourg 1890-1898.svg
Arms of the Grand Dukes of Luxembourg prior to 2000.svg
Grand Ducal Family of Luxembourg


  1. ^ "Inoformation of the reigning House of Nassau-Weilburg".
  2. ^ a b "Inoformation of the reigning House of Nassau-Weilburg which explicitly states the House of Nassau as its parent house" (PDF).
  3. ^ Louda, Jiri; Maclagan, Michael (December 12, 1988), "Netherlands and Luxembourg, Table 33", Heraldry of the Royal Families of Europe (1st (U.S.) ed.), Clarkson N. Potter, Inc.
  4. ^ Hay, Mark Edward (1 June 2016). "The House of Nassau between France and Independence, 1795–1814: Lesser Powers, Strategies of Conflict Resolution, Dynastic Networks". The International History Review. 38 (3): 482–504. doi:10.1080/07075332.2015.1046387.
House of Nassau-Weilburg
New dynasty
partitioned from Cty. of Nassau
Ruling house of Nassau-Weilburg
Nassau-Weilburg merged in
Ducal Nassau ruled by the
House of Nassau-Usingen
Preceded by
House of Nassau-Usingen
Ruling house of the Duchy of Nassau
Nassau annexed by Prussia
Preceded by
House of Orange-Nassau
Ruling house of Luxembourg
Succeeded by
This page was last edited on 17 January 2021, at 02:23
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