Question: This French nobleman was a member of a cadet branch of the House of Metz which was inherited after the death of duke Nicholas I in what year?

Context paragraphs:
Austria-Este: The House of Habsburg-Este (Italian: "Casa d'Asburgo-Este" ; German: "Haus Habsburg-Este" ), holders of the title of Archduke of Austria-Este (Italian: "Arciduca d'Austria-Este" ; German: "Erzherzog von Österreich-Este" ), is a cadet branch of the House of Habsburg-Lorraine and also descends from the House of Este.  It was created in 1771 with the marriage between Ferdinand of Habsburg-Lorraine and Maria Beatrice d'Este, only daughter of the Duke of Modena, Ercole III d'Este.  After the death of Ercole III in 1803, the Modena ruling branch of the Este family's male line ended, and the Habsburg-Estes inherited his possessions in Italy.

House of Lorraine: The House of Lorraine (German: "Haus Lothringen" ) originated as a cadet branch of the House of Metz.  It inherited the Duchy of Lorraine in 1473 after the death of duke Nicholas I without a male heir.

Gaston, Count of Marsan: Gaston de Lorraine (Gaston Jean Baptiste Charles; 7 February 1721 – 2 May 1743) was a French nobleman and member of a cadet branch of the House of Lorraine.  He was the last Count of Marsan.  His wife was Marie Louise de Rohan.

Edmond Butler (Polestown): Edmond Butler of Polestown, (1595 - 21 April 1636), was a descendant of the Butler family - the Earls of Ormond.  He was the eldest son of Sir Richard Butler of Poletown.  His brothers were Richard, Peter and Walter.  His uncle Peter founded the "Roscrea" cadet branch of the family, which is in turn descended from the "Polestown" cadet branch.  He held the office of Member of Parliament (M.P.) for County Kilkenny from 1634 to 1635.

Christian III, Count Palatine of Zweibrücken: Christian III, Count Palatine of Zweibrücken-Birkenfeld (Strassburg, 7 November 1674 – Zweibrücken, 3 February 1735) was a German nobleman.  He was a member of the House of Palatinate-Zweibrücken-Birkenfeld, a cadet branch of the House of Wittelsbach.  He was the son of Christian II of Zweibrücken-Birkenfeld and Katharina Agathe, Countess of Rappoltstein.  He was Duke and Count Palatine of Zweibrücken-Birkenfeld from 1717 to 1731.  In 1731, he inherited the sovereign duchy of Palatinate-Zweibrücken and thus became Count Palatine and Duke of Zweibrücken.  He was also Count of Rappoltstein from 1699 until his death.

Grand Ducal Family of Luxembourg: The Grand Ducal Family of Luxembourg constitutes the House of Luxembourg-Nassau, headed by the sovereign Grand Duke, and in which the throne of the grand duchy is hereditary.  It consists of heirs and descendants of the House of Nassau-Weilburg, whose sovereign territories passed cognatically from the Nassau dynasty to a cadet branch of the House of Bourbon-Parma, itself a branch of the Spanish Royal House which is agnatically a cadet branch of the House of Capet that originated in France.

Munro of Milntown: The Munros of Milntown were a family cadet branch of the Highland Clan Munro.  As the earliest recorded cadet branch of the Munro chiefs, the Munros of Milntown were the 'senior' cadet branch of the clan, and spawned many cadet branches.  They were frequently recorded as 'Monro' as well as Munro.  The Munros of Milntown are notable as being involved in events concerning the history of the late Middle Ages of the Scottish Highlands.

Louis, Count of Armagnac: Louis of Lorraine (7 December 1641 – 13 June 1718) was the Count of Armagnac from his father's death in 1666.  The "Grand Squire of France", he was a member of a cadet branch of the House of Guise, itself a cadet branch of the sovereign House of Lorraine.  His descendants include Albert II, Prince of Monaco, Umberto II of Italy, and Diana Álvares Pereira de Melo, 11th Duchess of Cadaval.

Anscarids: The Anscarids (Latin: "Anscarii" ) or the House of Ivrea were a medieval Frankish dynasty of Burgundian origin which rose to prominence in Italy in the tenth century, even briefly holding the Italian throne.  They also ruled the County of Burgundy in the eleventh and twelfth centuries and it was one of their members who first declared himself a count palatine.  A cadet branch ruled the Kingdom of Galicia from 1111 and the Kingdoms of Castile and León from 1126 until 1369.  The House of Trastamara, which ruled in Castile, Aragon, Naples, and Navarre at various points between the late 14th and early 16th centuries, was an illegitimate cadet branch of the family.

Charles Louis, Count of Marsan: Charles Louis de Lorraine (21 October 1696 – 2 November 1755) was a French nobleman and general, member of a cadet branch of the House of Lorraine.  He held the titles of Count of Marsan, lord of Pons and prince of Mortagne-sur-Gironde, but he was known by the courtesy title of The Prince of Pons.

Supporting paragraphs: Gaston, Count of Marsan House of Lorraine
Answer: 1473