David Carcassonne
David Carcassonne (20 December 1789 – 15 November 1861 in Nîmes) was a French physician.
He was born at Remoulins, a small town in the Gard department, the son of a purveyor to the army of Napoleon I.
Having joined the Grande Armée as military surgeon at twenty-three years of age, he followed the emperor to Russia in 1812, and was made a prisoner there.
On his return to Nîmes, where his parents had settled, Carcassonne gave up his practise and became a carpet-manufacturer.
He was a member of the Municipal Council of Nîmes, under King Louis-Philippe (1837-48).
Carcassonne was the author of a work entitled "Essai Historique sur la Médecine des Hébreux Anciens et Modernes"
(Montpellier-Nîmes, 1815).
His son Léon was also a French physician and municipal councilor.
Harvey II, Lord of Léon
Harvey II of Léon was the son of Harvey I, Lord of Léon, the founding member of the Lordship of Léon.
Harvey IV, Lord of Léon
Harvey IV of Léon was the eldest son of Harvey III of Léon and his wife Margaret of Châteauneuf.
Guihomar I, Viscount of Léon
Guihomar I of Léon was one of the first Viscounts of Léon.
He lived c. 970- 1055.
Harvey VII, Lord of Léon
Harvey VII of Léon( died 1344) was a Breton lord, son of Harvey VI, Lord of Léon and his wife Joanna of Montmorency.
He succeeded his father as Lord of Léon in 1337.
He was also Lord of Noyon- sur- Andelle.
The Lords of Léon were a junior branch of the Viscounts of Léon which was founded by Harvey I, second son of Guihomar IV, Viscount of Léon.
Harvey VII won fame during the War of the Breton Succession.
Harvey VI, Lord of Léon
Harvey VI of Léon, nicknamed" the Young",( died 1337) was the eldest son of Harvey V, Lord of Léon.
Harvey I, Viscount of Léon
Harvey I of Léon( c. 1068 – aft. 1128) was a Viscount of Léon.
Harvey V, Lord of Léon
Harvey V of Léon was the eldest son of Harvey IV of Léon and his wife Maud of Poissy.
Harvey III, Lord of Léon
Harvey III of Léon was the son of Harvey II of Léon and his first wife Anne of Hennebont.
Léon Carcassonne
Léon Carcassonne (died 7 May 1894 in Marseille) was a French physician, municipal councilor, and member of the Academy of Nîmes, the son of David Carcassonne.
He was the author of the following works: (1) "
Questions sur Diverses Branches des Sciences Médicales", Paris, 1842;
(2) "Compte-Rendu des Travaux des Conseils d'Hygiène et de Salubrité Publique de Nîmes", a treatise on the work done by the health officers of Nîmes, Nîmes, 1866; (3) "Notice sur Philippe Boileau de Castelnau", Nîmes, 1882.

Question: What is the date of death of Léon Carcassonne's father?
Answer: 15 November 1861