While travelling in Switzerland with Lord Cole (later to be 3rd earl of Enniskillen) they were introduced to Prof. L Agassiz at Neufchâtel, and determined to make a special study of fossil fish.
Léonor d'Orléans (1540 – 7 August 1573) was duc de Longueville, prince of Châtellaillon, marquis of Rothelin, count of Montgommery and of Tancarville, visount of Abberville, Melun, count of Neufchâtel and of Valangin, was governor of Picardy and Normandy and one of the military leaders of the French Wars of Religion.
Lebourgneuf got its name as a portmanteau from the last letters of Charlesbourg and the first letters Neufchatel because Charlesbourg-Ouest was located between Charlesbourg and Neufchâtel.