https://en.wikipedia.org/wiki/Nicolay_family IMPORTANT FAMILY https://en.wikipedia.org/wiki/Fran%C3%A7ois_de_Nicolay "In 1950, François de Nicolay married the American born Marie-Hélène van Zuylen van Nijevelt, daughter of the Dutch baron Egmont van Zuylen van Nyevelt, who owned De Haar Castle in Haarzuilens. Marie-Hélène van Zuylen van Nijevelt was also a descendant of the Rothschild family (the granddaughter of Salomon James de Rothschild). François and Marie-Hélène had one son and heir (before their marriage was dissolved in 1956):
Count Philippe de Nicolay (b. 1955), who is a director of Paris Orleans PA, a French investment bank belonging to the Rothschild family, who married Princess Sophie de Ligne, the daughter of Belgium's Antoine, Prince of Ligne." "The House of Nicolay in France The growth of the House of Nicolay over the centuries meant that many members rose to positions of national responsibility, including Chancellor to the Kingdom of Naples (1502), Count Antoine de Nicolaï who became Marshal of France in 1775, a General Lieutenant of the Grand Master of Artillery (under the reign of King Louis XIII) several Generals, several Colonels of the Regiment of Nicolay Dragoons, four Bishops, a Vice-Legate of Avignon, Cahors, Béziers and Verdun; this last at the same time as a member of the family was made First Chaplain to Duchess Marie-Josèphe of Saxony, mother of King Louis XVI. In addition, the family produced several Knights of Malta and Saint-Louis, the First President of the Grand Council, a Member of The French Academy, a Chancellor of the Orders of the King (1789) and the first nine Presidents of the Chamber of Accounts, which from 1506 until 1794, followed one another without interruption.
By Letters Patent of 1645, Anne of Austria, wanting to reward the services rendered by several generations of the House of Nicolay, set the grounds of Goussainville in Marquisat in favour of Antoine de Nicolay and his descendants. Towards the end of the fifteenth century, the House of Nicolay was divided into two branches, the first known as the Barons De Sabran, established in Ardèche and the other, The Marquis de Goussainville, in the Île-de-France. On 19 May 1815 King Louis XVIII called the House of Nicolay to hereditary peerage in the name of Aymard-Charles-Marie-Theodore Marquis De Nicolay.
Other notable members of the family included Nicolas de Nicolay, Aimar-Charles-Marie de Nicolaï, Count François de Nicolay. Nicolas de Nicolay served for a time as Geographer-in-Ordinary to Henry II of France and spent most of his adult life traveling throughout Europe and the Turkish Empire. In 1568, Nicolay published an account of his travels under the title, 'Quatre Premiers Livres des Navigations. The work appeared in several editions including an Italian translation by Francesco Flori published in 1577." https://en.wikipedia.org/wiki/Nicolas_de_Nicolay "There were many notable members of the German branch of the House of Nicolay, including Philipp Nicolai - Lutheran pastor, poet, and composer. Johann Georg Nicolai (later John George Nicolay) Private Secretary to US President Abraham Lincoln." "Gaspard de Nicolay (recorded as Caspar Nicolay in record of death) was a member of the Court of Frederick III, Duke of Saxe-Gotha-Altenburg."
