Charles César de Fay de La Tour - Maubourg Marie - Charles - César de Faÿ , comte de la Tour - Maubourg ( born February 11 , 1757 , at Motte - Galaure , Drôme , - died April 28 , 1831 in Paris ) , was a French soldier and politician during the French Revolution , and of the First French Empire . His father was Claude Florimond de Faÿ ( 1712 – 1790 ) , and his mother was Vacheron Bermont Marie Françoise ( b . 1712 ) . During Monarchy . He was colonel of the Regiment of Soissons in 1789 . French revolution . He was appointed to the nobility of Puy - en - Velay in the Estates General . Friend of Gilbert du Motier , marquis de Lafayette , he was one of the first nobles to join the Third Estate . He was representative to Nord , and Pas de Calais . He was charged with Antoine Barnave , and Jerome Pétion to bring back the royal family to Paris at the time of the attempted Flight to Varennes ( June 1791 ) . His devotion , on this occasion , will remain misunderstood by Marie - Antoinette . However , in her memoirs Madame Tourzel , witness of the facts , paid tribute to his dedication to the royal family . He was Colonel of the 3rd régiment de chasseurs à cheval from 1791 to February 1792 . With the separation of National Constituent Assembly , he accompanied the marquis de Fayette with the Army of the Center in 1792 , and emigrated with him after the dismissal by Louis XVI , 10 August 1792 . Captured at Rochefort , Belgium , with Lafayette , and imprisoned by the Austrians , he was released after the treaty of Campo - Formio ( 18 October 1797 ) and lived in Hamburg in exile . Under the Consulate and the First Empire . He returned to France in 1798 and became a member of Corps législatif , ( under the Directory ) , then became a member of the Senate in 1804 , under the First French Empire . In 1808 , he was military governor of Cherbourg , that he helped make a major port . He was excluded from the House of Peers from the Hundred Days until 1819 . Concerned with the management of its inheritance , he will take part in the financing of the industrial activities of Pierre Samuel du Pont de Nemours , founder of the famous American dynasty . After the Restoration . In 1814 , he was named at the time of the Bourbon Restoration , and preserved his position during the Hundred Days . He was Government commissioner for certain departments in the West of France . During the fall of Napoleon , he was excluded from government , until 1819 . He was reinstated to the Senate , then made Knight of order of Saint Louis , and Napoleon had made him commander of the Legion of honor . César de Fay de La Tour - Maubourg married Henriette de Tenella Pinault , heir of a member of the Parliament of Douai . They had many descendants He died in 1831 in Paris . Relatives of Charles César de Fay de la Tour - Maubourg . Brothers . His brother , Marie Victor de Fay , marquis de Latour - Maubourg , was a Cavalry Corps commander , survived the Russian Campaign , and was wounded at the battle of Leipzig . Juste - Charles de la Tour - Maubourg married Anastasie de La Fayette , the daughter of Lafayette . They had three daughters . The second , Jenny , married General Ettore Perrone di San Martino , famous politician of the Kingdom of Piedmont . Among their descendants is the present Queen Paola of Belgium . Children . Marie - Charles , comte de La Tour - Maubourg ( b . 11 February 1757 - 28 May 1831 ) married Charlotte , daughter of Charles Pinault , de Thénelles , ( d . 18 June 1837 ) . They had six children : Just Pons Florimond de Fay de la Tour Maubourg ( 1781 – 1837 ) , was Auditor with the Conseil d ' État under the Empire , was ambassador from France to Dresden , Constantinople and Rome . From March 1809 , until 1811 , he was Chargé d ' Affaires to Constantinople , but was recalled , upon the peace between England , and Turkey . He was made officer of the Legion of honor in 1830 . In 1831 , at the consistory that elected Pope Gregory XVI , the marquis had the honour of informing the assembled cardinals that Louis - Philippe would waive his right of veto , with the assurance that only a wise and virtuous pontiff could be elected by such a wise and virtuous assembly . Rodolphe ( 1787 – 1871 ) , was an officer in the campaigns of the Empire , major general , officer of the Legion of honor . Armand - Septime ( 1801 – 1845 ) , bachelor of law , was Master of the requests to the Council of State . Under the Monarchy of July , he was ambassador in Naples , in Spain then in Rome , where he succeeded his older brother . He was commander of the Legion of honor . A portrait of his wife , painted by Théodore Chassériau was recently acquired by Metropolitan Museum of New York . Grandchildren . For the following generation , we can mention César Florimond de la Tour Maubourg ( 1820 – 1886 ) , son of Just Florimond , and Caroline de La Perron de Saint Martino , ( sister of Hector Perrone de San Martino ) . Officer of cavalry , 3rd Regiment of Chasseurs - à - Cheval , he was administrator of the le Grand Central Railroad , appointed to Haute - Loire , throughout the Second Empire , honorary chamberlain of Napoleon III and captain of the Imperial Hunt . He married in 1849 , Anne Mortier of Trévise ( 1824 – 1900 ) , granddaughter of marshal Mortier duke of Trévise , who was lady of the Table of Empress Eugenie , and who appeared in the extreme right - hand side of the famous painting of Franz Xaver Winterhalter . Part of the notebooks of the marchioness were published by general Thimble - Brissac in the " Review of the Napoleonean Memory " , and is available on the site " napoléon . org " . Their son was killed during the Franco - Prussian War , at 20 years age , and their daughter died shortly after her marriage , without descendants . They were left the Chateau de Frouard . After the death of her husband , the marchioness de Maubourg withdrew , to her various residences , Maubourg , Paris , Cannes and Glareins ( Ain ) . The last descendants of the Fay family de la Tour - Maubourg are buried in a mausoleum in the commune of Saint - Maurice - de - Lignon , which was built starting from the plans of the Lyons architect Carra .