Friday, 30 January 2026

Voltaire (almost) acquires a German castle


The Duke of Württemberg has had the kindness to offer me the château of Montbéliard; I could pass the winters there with all my entourage; but I am frightened I should find everywhere covered in snow.  What is this Montbéliard like, I should like to know...
Voltaire to the lawyer Dupont, 13th November 1764.


Here is another episode from Voltaire's travels in the east of France the astute "capitaliste"...

Today, the chief claim to fame of  Montbéliard, Franche Comté's second city, is as the site of the vast Peugeot car factory.  In Voltaire' time, however, it was the "Comté" of Montbéliard, a miniscule German Protestant enclave in French territory, by a quirk of dynastic history a possession since the late 14th century of the Dukes of Württemberg.   Then, as now, the medieval fortress on its rocky outcrop dominated the township. Voltaire's Duke of Württemberg was Charles-Eugene, nephew by marriage to Frederick the Great, and one of those splendid larger-than-life 18th-century princelings. He built the Rococo palaces of La Favorite and La Solitude was at sometime patron of Schiller.....  His extravagant lifestyle was rivalled only by the excessiveness of his spending; by the time of his death in 1793 his personal debts were said to total over 30 million livres..... 

An opportune investment
Charles-Eugene, Duke of Württemberg
Anonymous portrait at the 
Ludwigsburg Palace
[Wikimedia]

 ....In late 1752 Voltaire was desperate to escape from the court of Frederick the Great in Berlin and was looking for a way to transfer his money ("un fonds d'environ quatre mille écus d'Allemagne") back to France.  According to La Mettrie, the Prussian king had dismissed his illustrious guest as an orange to be squeezed for its juice  - a bon mot which made Voltaire all the more determined to "take all possible care of the orange-peelings" (Memoirs, p.133).

The  impecunious Duke of Wurtemberg provided him with a convenient solution.  

In what was in effect the purchase of life annuity, Voltaire entered into two contracts with the Duke, in September 1752 and January 1753, by which he surrendered most of his capital in exchange for a lifetime pension.

The figures don't really mean a great deal but, since they are readily to hand, here they are:

  • By a first contract, on 27th September 1752, Voltaire  paid the Duke the equivalent of 150,000 livres in German thalers; in return he was to receive an annual income (payable quarterly) of 15,750 livres (ie. at a rate of 10.5 %), with Mme Denis to receive 7,500 livres (5% of the original capital sum) in the event of his death.  
  • On 31st January 1753 Voltaire repeated the procedure, this time transferring the equivalent of 112,500 livres, for which he was to  receive an annual income of 12,375 livres (11%) and Mme Denis a lump sum of 2,250 livres. 

It is generally agreed that these rates of interest, though high by today's standards, were in line with those of the time.  

The loans were guaranteed by a mortgage ("une hypothétique") on Montbéliard, and various other properties held by the Duke in Franche-Comté and Alsace.

As Roger Pearson notes, from now on this sort of arrangement was to become a major form of investment for Voltaire, made the more attractive to creditors by his insistence that he was in fragile health and not long for this world.  In France his debtors included the duc de Richelieu and various members of the Guise family. No doubt it gratified his ego to have aristocrats and petty princes in hock. (see Pearson, Voltaire Almighty, p.129-30).

For both parties, the Württemberg agreement was to prove an onerous arrangement.  The premises were sound: Voltaire was nearly sixty - even were he to live another ten years, the Duke would only have to repay the capital and would end up paying virtually no interest on his "loans". In return Voltaire would be able to count on a reliable income. Unfortunately for the Duke, Voltaire was to live to be eighty-three.  Equally unfortunately - though perhaps more predictably -  for Voltaire, the Duke fell constantly behind with his payments.


The tribulations of the Württemberg loan

Voltaire was to pursue the Duke for payments energetically and  with varying degrees of  success for the rest of his life. Details of his dealings with the Regency Council of Montbéliard, on whom responsibility for the loan had devolved,  and with the Duke's various agents agents, are difficult to unravel without  full access to Voltaire's correspondence (and with my feeble grasp of 18th-century financial niceties!). Many of the originals letters to be found in the archives of the Haut-Rhin and in Stuttgard.  Additional missives, mostly penned by Voltaire's secretary Wagnière,  still occasionally surface -  indeed, several were included in the Lambert-David collection of manuscripts donated to McGill university as recently as 2023.

The possibility of acquiring the collateral property rather than pursuing his arrears occurred to Voltaire at various points in proceedings. The first was in Autumn 1753 when Voltaire was safely ensconsed in Colmar and already finding his dealings with the Duke's agents vexatious.  (They insisted on certificats de vie before each payment: "I write, therefore I live," wrote Voltaire with irritation - clearly a literal rather than a philosophical assurance!). On 23rd October he visited the Duke's nearby manor at Horbourg (now Horbourg-Wihr) with a view to buying the property and deducting the outstanding amount he was owed from the purchase price..  He rapidly changed his mind, finding there only "hovels and poorly cultivated fields"(See Alessandro Collini , Mon séjour auprès de Voltaire (1807), p.117).  The castle had been dismantled by Turenne in the 1670s and most of the dependencies already sold off.  



After this, the situation temporarily improved.  In 1755 the Regency Council of Montbéliard appointed a new receiver François Louis Jeanmaire, with whom Voltaire maintained better relations. In July and August 1758 Voltaire spent several weeks with the Elector Palatine and took the opportunity personally to pass by Colmar.  For a while the authorities in Montbéliard scraped together enough funds to meet their demanding creditor.

A renewed crisis occurred in 1764.  It is from this time that the references date in Voltaire's correspondence to the prospective purchase of the Château of Montbéliard.  In July 1764 the Duke suspended all payments of interest on the money he owed. On 13th November Voltaire  penned the letter to his lawyer Dupont, quoted above.  He confessed that, whilst he preferred to live modestly, he still needed accommodation for a household twenty-five or thirty people. By this time Voltaire was  happily established at Ferney, so he probably never seriously contemplated decamping. In any case he soon learned that the Council of Stuttgart refused to alienate the property: ("They are like people under siege who lack food, but try to make their besiegers believe they are having a good time.")

The relevant letters are given in full in  Rossel, Voltaire, créancier du Württemberg (1909), pieces 37 and 39 (p.33-34). [On Internet Archive]


The later fortunes of the loan

 In September 1764 Jeanmaire visited Ferney personally and Voltaire, surprisingly happily, agreed to surrender a further 280,000 livres to the Duke.  Two new payments were agreed, this time, given Voltaire's age, at a slightly higher interest rate and with provision for assorted relatives who might survive him:
  • By a first contract, dated 10th October 1764, Voltaire paid the Duke, 200,000 livres, in return for a annuity of 24,000 livres (11%), with 16,000 livres to Mme Denis at his death. 
  •  Finally on 28th December 1764, he surrendered 80,000 livres for annuity of 10,000 livres (12.5%) with 2,000 livres for his niece Mme de Florian, 2,000 livres for his nephew the abbé Mignot, and 2,000 livres for his great-nephew Dompierre d'Hornoy (who lived on until 1828!). 
 

Autograph note by Voltaire dated Ferney, 22nd September 1764, relating to the contract of October 1764

Currently on offer for € 8,500.00 from INLIBRIS Gilhofer Nfg, Vienna:

I confirm that I will provide M. Jean Moire [ie. Jeanmaire] with 100,000 livres either in silver or in security papers [...].  Combined with another 100,000 livres which I have already given him for the account of His Serene Highness, the Duke of Württemberg, this payment constitutes the sum of 200,000 livres of which His Serene Highness will pay me the life annuities upon which we have agreed. [...]

"Charles-Eugène, Duke of Württemberg and count of Montbéliard, notoriously in debt, had borrowed a considerable sum from Voltaire. When the Duke was unable to repay him, he had to offer him his castle of Montbéliard instead. When Voltaire died in 1778, Charles-Eugène had still not settled his debts."


The pension owed to Voltaire, now totalling  62,125 livres a year, had suddenly more than doubled, well-beyond the capacity of the Council of Montbéliard  to pay.  The revenues of the Comté against which the rentes were paid, amounted to only 350,000 livres a year and were encumbered by Charles-Eugene's other debts.  By November 1766 payment was already two quarters in arrears (31,062 livres).


Here are the details as given in Daniel Muller, Les rentes viagères de Voltaire (1920) p.55-56:

The 62,125 livres in annuities owed to Voltaire were guaranteed against all the goods, properties and chattels of the Duke, and particularly his seigneuries and domains in Montbéliard, Franche-Comté and Alsace... Montbéliard, properly speaking, was a miniscule enclave in French territory, situated astride the rivers Doubs, Allan, Luzine and  Savoureuse. It centred on the little town of Montbéliard, with its old Germanic fortress, flanked by two massive towers, overlooking the valley of the Allan. Vineyards, mines, tile factories, windmills and agricultural land, plus the forges at Audincourt, constituted the principal sources of revenue. On the outskirts of the principality, in what is now the departments of the Doubs and the Haute-Saône, various domains, restored to the Duke by France at the Treaty of Versailles in 1748, offered revenue from forestland, farms, mills, saltworks and feudal dues. In addition there were two seigneuries in Alsace, at Riquewihr, with six villages, and Horbourg, with 11 villages.  The total revenues here were perhaps 250,000 in a good year (which were not frequent in the miserable climate of Alsace).

In addition to Voltaire's rentes, which accounted for 62,125 livres in 1765, there were numerous officials and functionaries to be paid; Charles-Eugene's personal debts more than absorbed the rest.  Since he was constrained within Württemberg  by the Council in Stuttgart, Charles-Eugene found it convenient to burden the little principality of Montbéliard with a host of financial commitments. 

To the polite lie of the patriarch of Ferney, "I have only my pension to live on", the Regency Council could reply in all honesty "Our coffers are empty" .  

The archives at Besançon give a snapshot of the charges to be met in pensions and interest payments: 1,200 livres to a Colonel de Wehlen, 13,50 livres to the Republic of Berne, 7,500 livres to Dietrich of Strasbourg, 4,000 livres to the Baron Georges de Wimpfen, 200 livres to the lawyer Chauffour in Colmar etc. Other  debts included 114,767 livres to the Duke's tailor in Paris and 49,933 livres to assorted merchants in Lyon.   

 Voltaire  complained ceaselessly and melodramatically to his correspondents about the Duke's failure to pay and his extravagant "obsession with imitating Louis XIV" [D13931 to d'Argental].  By February 1765 Voltaire was telling Richelieu, another debtor, "I am getting rid of Les Délices because, having the largest part of my assets dependent on M. de duc de Württemberg, and my affairs with him not being completely settled, I fear to die of hunger as well as of old age."

In March 1768, to Voltaire's distress, Mme Denis abruptly left Ferney.  The reason he gave was that she had been obliged to go to Paris to sort out his financial affairs, chasing his debtors in France  since the Duke was not forthcoming.  (According to Wagnière, this was all nonsense "He only used the disarray of his fortune as a public pretext to save the honour of his niece"[Mémoires sur Voltaire, p.269].)


In the end, by a combination of persistence and financial acumen, Voltaire weathered the storm.  In October 1769 he alarmed the Duke by securing a "saisie-arrêt"  from the tribunal at Besançon against the Montbéliard properties which meant that, in principle, the moneys could be requisitioned directly from the prince's bailiffs. ("Mr Le Duc de Württemberg must learn that he has to pay his debts before he gives parties" [D.14446]) The Duke's agents,  Rosé from Colmar and  Meiner, director of forges at Audincourt, were obliged to journey personally to Ferney where they undertook to pay 28,000 and 34,125 livres annually [D14825; D14826]. Voltaire facilitated the payment, by arranging a loan from a third party loan in Geneva. 

The consensus among historians is that the wily Voltaire, though concerned for his fortune, was never placed in serious financial difficulty by his Württemberg dealings. In the end, he received most of what was owed him. Daniel Muller (p.18) calculates that, by the time of his death in 1778, for a total outlay of 542,500 livres, Voltaire had earned 1,177,850 livres in annuities, with an additional  1,621,240 livres still due to his relatives. In other words, he had more than doubled his initial investment. 



The château of Montbéliard

The château in the 18th century.  Musée d'Art et d'Histoire - Hôtel Beurnier-Rosse, Montbéliard. (Wikimedia)

By all accounts 18th-century Montbéliard was an unprepossessing backwater: 

At the beginning of the eighteenth century the capital of the County possessed a main square, into which several streets converged, and suburbs of ill repute where it was dangerous to wander at night.  It was an agglomeration of one- or two-storeyed houses with huge roofs pieced with mullioned windows such as can still be seen in Alsace.  The interiors were very simple, with wooden cottage furniture.  In the main room, which also served as a kitchen, the people lived a sober existence, their staple diet being onion soup and flour pancakes. 
Fauchier-Magnan, The Small German Courts, p.252.

The medieval fortress, built on the edge of an escarpment,  had been partly dismantled on the orders of Louis XIV.  To prevent total ruin, a new extension, the Château-Derrière ou Neuf-donjon, was built by the Governor, Baron Reinhard von Gemmingen, in 1751.  Only the great 15th and 16th century towers survived from the older construction.  With its dark furniture and great Germanic stoves, the interior remained old-fashioned and cheerless.  

In 1768 Montbéliard welcomed, for the first time since the death of Leopold-Eberhard in 1723, a resident member of the Württemberg dynasty.  This was Duke Charles-Eugene's brother Frederick-Eugene, who was formally named Governor of Montbéliard for life. His installation in the château was greeted with great enthusiasm.  However, he lost no time in abandoning the lugubrious old castle for more comfortable surroundings. In 1770 he began building a new summer residence in Étupe which, due to the family's dynastic connections - his daughter married Archduke Francis of Austria - attracted frequent visits from the Emperor Joseph and other members of the ruling Hapsburgs.  This new property was abandoned in 1792, sold off as a "bien national"and demolished in 1801.


Château of 
Montbéliard itself survived the vicissitudes of Revolution. Handed back to the municipality  after long occupation by the French army, it is now a museum.  Until recently, it has housed the palaeontological collections of the naturalist Georges Cuvier (1769-1832), who was a native of Montbéliard; but in 2025 the fossils were temporarily packed away and  a new heritage attraction set up centring on the Württemberg inheritance. Further plans for the development of the site are in the offing.


References

TheWürttemberg loan: 

Frédéric Rossel, Voltaire, créancier du Württemberg: autour d'un prêt hypothécaire. Correspondance inédite (1909)
https://archive.org/details/voltairecranci00volt/mode/2up

Daniel Muller Les rentes viagères de Voltaire (1920)
https://archive.org/details/lesrentesviagr00mull/mode/2up

 Émile Lizé. “Voltaire créancier du duc de Württemberg. Correspondance inédite.” Revue d’histoire littéraire de la France (1986).  Vol.86 (5): p.876–86.  [On JStor]

Christophe Paillard, "Voltaire nous écrit:  Deux letters de Voltaire  inconnues à Besterman: 12 juin et 8 octobre 1771", Gazette des Délices, Autumn 2007.
https://collections.geneve.ch/gazette-delices/15/pdf_15/15_voltaire.pdf

Montbéliard and its castle:

Claude Duvernoy, Montbéliard au dix-huitième siècle (1891)
https://gallica.bnf.fr/ark:/12148/bpt6k56801356 

Adrien Fauchier-Magnan, "The County of Montbéliard", The Small German Courts in the 18th Century (transl.1958), p.251f.
[This book is a treasure trove of enjoyable details about the lives of the Württemberg Dukes, especially the profligate Charles-Eugene.]   

Musée du Château des ducs de Württemberg
https://www.chateaumontbeliardwurtemberg.fr/ 

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