[1] His son Léon Hennique, born in Basse-Terre, Guadeloupe, became a naturalist novelist and dramatist.
[2] Hennique was promoted to major on 26 January 1849 with the Guadeloupe detachment of the 1st Marine Infantry Regiment.
[1] His marine regiment was part of the force under Charles de Lorencez that struck inland from Córdoba, Veracruz on 19 April 1862.
[2] On 1 January 1863 he was commander of the 2nd Marine Infantry Regiment of Brest on service in Mexico.
[5] He originated a proposal, approved by Napoleon III in a decree of 19 April 1868, "that the monumental fountain erected on the Place du Gouvernement at Cayenne take the name of Fontaine de Montravel to perpetuate in the memory of the population the name and the outstanding services of the Rear-Admiral Tardy de Montravel, former governor of Guyana ".