Question: Who was the loyal attendant of the president of the French Second Republic?

Context paragraphs:
Second French Empire: The French Second Empire (French: "Second Empire" ) was the Imperial Bonapartist regime of Napoleon III from 1852 to 1870, between the Second Republic and the Third Republic, in France.

Napoleon III: Louis-Napoléon Bonaparte (born Charles-Louis Napoléon Bonaparte; 20 April 1808 – 9 January 1873) was the President of France from 1848 to 1852 and, as Napoleon III, the Emperor of the French from 1852 to 1870.  He was the only president of the French Second Republic and the head of the Second French Empire.

Antoine Sénard: Antoine Marie Jules Sénard (9 April 1800 – 29 October 1885) was a French lawyer and politician who was briefly President of the Constituent Assembly of the French Second Republic.  After returning to private practice during the Second French Empire he successfully defended Gustave Flaubert in an action against his "Madame Bovary",

French frigate Minerve (1836): Minerve was a "Téméraire"-class 74-gun ship of the line, later razeed and commissioned as a frigate.  Started during the Empire, she was launched during the Bourbon Restoration, rebuilt during the reign of Louis-Philip, and served as a gunnery school through the French Second Republic and the Second French Empire, only to be broken up shortly after the advent of the French Third Republic.

Henri Conneau: Henri Conneau (1803-1877), known as Doctor Conneau ("Docteur"), was a loyal attendant of Napoleon III.

Emmanuel Arago: Emmanuel Arago (August 6, 1812 – November 26, 1896) was a French politician of the French Second Republic, Second French Empire and French Third Republic.  He was the son of François Arago.  He was a member of the 1848 Constituent Assembly and the National Assembly of 1871.  He was a deputy for Pyrénées-Orientales (1848–1851, 1871–1876) and la Seine (1869–1870) and senator for Pyrénées-Orientales (1876–1896).  He served as minister of the interior and minister of justice in the Government of France.  He was ambassador of France to Switzerland.

Edmond Toupet des Vignes: Edmond Edouard Ernest Victor Toupet des Vignes (5 September 1816 – 21 June 1882) was a French politician who sat in the legislature during the French Second Republic and the French Third Republic, and then became a senator.  He was a firm believer in the republican form of government, and sat with the center left, but on topics such as religion held conservative views.

French coup d'état of 1851: The French coup d'état of 2 December 1851 was a self-coup staged by Prince Louis-Napoléon Bonaparte (at the time President of the French Second Republic).  It ended in the successful dissolution of the French National Assembly and the subsequent re-establishment of the French Empire the next year.  When he faced the prospect of having to leave office in 1852, Louis-Napoléon (nephew of Napoléon Bonaparte) staged the coup in order to stay in office and implement his reform programs; these included the restoration of universal suffrage (previously abolished by the legislature).  His political measures, and the extension of his mandate for 10 years, were popularly endorsed by constitutional referendum.  A mere year later, the Prince-President reclaimed his uncle's throne as Emperor of the French under the regnal name Napoleon III.

Noël Lefebvre-Duruflé: Noël Jacques Lefebvre-Duruflé (19 February 1792 – 3 November 1877) was a French politician who became Minister of Agriculture and Commerce in the French Second Republic, and under the Second French Empire was Minister of Public Works.  In the French Third Republic he was convicted on a corruption charge.

French Second Republic: The French Second Republic was a short-lived republican government of France between the 1848 Revolution and the 1851 coup by Louis-Napoléon Bonaparte which initiated the Second Empire.  It officially adopted the motto of the First Republic, "Liberté, Égalité, Fraternité".  The Second Republic witnessed the tension between the "Social and Democratic Republic" (French: "la République démocratique et sociale" ) and a liberal form of republicanism, which exploded during the June Days uprising of 1848.

Supporting paragraphs: Henri Conneau Napoleon III
Answer: Henri Conneau