William IV, Duke of Bavaria
William IV( 13 November 1493 – 7 March 1550) was Duke of Bavaria from 1508 to 1550, until 1545 together with his younger brother Louis X, Duke of Bavaria.
He was born in Munich to Albert IV and Kunigunde of Austria, a daughter of Emperor Frederick III.
Ludmilla of Bohemia
Ludmilla of Bohemia( died 14 August 1240) was a daughter of Frederick, Duke of Bohemia, and his wife, Elizabeth of Hungary.
Ludmilla was a member of the Přemyslid dynasty.
She was Duchess consort of Bavaria by her marriage to Louis I, Duke of Bavaria.
Kurt Heinrich Meyer
Kurt Heinrich Meyer or Kurt Otto Hans Meyer( 29 September 1883 in Tartu, † 14 April 1952 in Menton) was a German chemist of Baltic origin.
Kurt Schmücker
Kurt Schmücker( 10 November 1919 – 6 January 1996) was a German politician, member of Christian Democratic Union.
Kurt Schmücker was born on 10 November 1919 in Löningen, in the Free State of Oldenburg.
In 1938 Schmücker ended a book printing course and started working in local newspapers.
From 1940 to 1945 he served in the German infantry during World War II.
In 1937, Schmücker joined Nazi Party.
Schmücker joined the CDU in 1946.
He represented Cloppenburg – Vechta in the German Federal Parliament from 1953 to 1972.
From 17 October 1963 to 30 November 1966 he served as minister for Economics and Technology.
From 1966 to 1969 he was served as minister for the Treasury.
Charles, Duke of Orléans
Charles of Orléans( 24 November 1394 – 5 January 1465) was Duke of Orléans from 1407, following the murder of his father, Louis I, Duke of Orléans, on the orders of John the Fearless, Duke of Burgundy.
He was also Duke of Valois, Count of Beaumont- sur- Oise and of Blois, Lord of Coucy, and the inheritor of Asti in Italy via his mother Valentina Visconti, daughter of Gian Galeazzo Visconti, Duke of Milan.
He is now remembered as an accomplished medieval poet owing to the more than five hundred extant poems he produced, written in both French and English, during his 25 years spent as a prisoner of war and after his return to France.
Pierre Louis Jean Casimir de Blacas
Pierre- Louis Jean Casimir, Count of Blacas d' Aulps( 10 January 1771 – 17 November 1839), later created 1st Duke of Blacas( 1821), was a French antiquarian, nobleman and diplomat during the Bourbon Restoration.
Christian Louis I, Duke of Mecklenburg
Christian Louis I, Duke of Mecklenburg- Schwerin( 1 December 1623 in Schwerin – 21 June 1692 in The Hague) was a reigning Duke of Mecklenburg- Schwerin.
Louis, Duke of Blacas
Louis Charles Pierre Casimir de Blacas d' Aulps, 2nd Duke of Blacas, 2nd Prince of Blacas( 15 April 1815, London – 10 February 1866, Venice) was a French nobleman and antiquarian.
He was the son of Pierre- Louis de Blacas d' Aulps, 1st Duke of Blacas and of his wife Henriette- Marie- Félicité du Bouchet de Sourches de Montsoreau.
His godfather was Louis XVIII, King of France.
Born in London during the Hundred Days, he was educated first in France and then in Austria where his father had followed the exiled royal family in 1836.
He returned in France only in 1844.
He became an antiquarian like his father, inheriting and expanding his father's extraordinary collection of Greek vases, engraved gems and antique coins, cameos( including the famous Blacas Cameo of Augustus) and jewels.
He was particularly interested in numismatics.
He translated into French, under the title" Histoire de la monnaie romaine"( Paris 1866), the" Geschichte des Römischen Münzwesens History of Roman Coinage") of Theodor Mommsen( Berlin 1860), with additional notes signed" B".
The book is still often quoted using the Blacas translation rather than the original German version.
Blacas was a member of the Societé des Antiquaires de France and served as its secretary from 1864 to 1865.
After his father's death, Blacas defended him against allegations of unscrupulous gains made by the Duke of Ragusa.
He fully supported his father's political views.
Like his father, he was an ardent Legitimist.
He succeeded him as a" premier gentilhomme de la chambre" to the exiled Legitimist claimant, the duc d'Angoulême.
Blacas was a devoted follower of the duc d'Angoulême's successor, the comte de Chambord, whom he had known since childhood and whom he served all his life.
His brother, Count Stanislas de Blacas d' Aulps, served the comte similarly.
However, contrary to his father and to his own son( who later served as mayor and deputy), Blacas did not directly take part in the political life of the Second Empire.
He died in Venice at the Palazzo Cavalli, the residence of the comte de Chambord, after planning a study of Venetian coinage.
His body was taken back to Aups where his funeral took place.
After the French government refused to pay for its acquisition, his collection was sold by his heirs to the British Museum in 1867 for 1,200,000 francs.
Marie of Luxembourg, Countess of Vendôme
Marie of Luxembourg( died 1 April 1547) was a French princess, the elder daughter and principal heiress of Peter II of Luxembourg, Count of Saint- Pol and Soissons, and Margaret of Savoy, a daughter of Louis I, Duke of Savoy.
She belonged to the French, cadet branch of a dynasty which had reigned as Dukes of Luxembourg, and whose senior line provided several Holy Roman Emperors, before becoming extinct in 1437.
Her paternal grandparents were Louis of Luxembourg, Count of Saint- Pol and Brienne and Jeanne de Bar, Countess of Marle and Soissons.
Her maternal grandparents were Louis I, Duke of Savoy and Princess Anne of Cyprus.
Louis Joseph, Duke of Guise
Louis Joseph de Lorraine" Duke of Guise" and Duke of Angoulême,( 7 August 1650 – 30 July 1671) was the only son of Louis, Duke of Joyeuse and Marie Françoise de Valois, the only daughter of Louis- Emmanuel d' Angoulême, Count of Alès, Governor of Provence and son of Charles de Valois Duke of Angoulême, a bastard of Charles IX of France.

Question: Who is younger, Kurt Schmücker or Louis, Duke of Blacas?
Answer: Kurt Schmücker