Question: Was the king of Spain in 1975 given the title "Marquessate of Samaranch"?
Context: Benveniste, is the surname, byname (see below - the origin of the name) in an old, noble, rich, and scholarly Jewish family of Narbonne, France and northern Spain from the 11th century.  The family was present in the 11th to the 15th centuries in Provence, France, Barcelona, Aragon and Castile' Spain.  Family members received honorary titles from the authorities and were members of the administration of the kingdom of Aragon and Castile.  They were the Baillie ("Bayle") - the Tax Officer and Treasurer, Alfaquim - Senior Advisor to the King and Royal Physician in Barcelona and Aragon in the 12th and 13th centuries.  They held the title of "Nasi" (prince in Hebrew), a name given to members of the House of David, in the Jewish communities (mainly Barcelona) and were prominent religious and secular leaders in the 11th to the 14th centuries.  In the 14th to the 15th century they held the titles of "Benveniste de la Cavalleria"—"of the knights" (a name given by the Templars to their treasurers and tax collectors) and Don—a noble person in Aragon and Castile.  After the expulsion of the Jews from Spain in 1492 they were dispersed mainly to Portugal, Greece - Salonica other parts of the Turkish Empire and North African countries.  In Portugal they were forced to convert to Christianity in 1497 and became one of the rich traders and bankers (the Mendes family) of Europe.  Today the name is borne by families in Europe, the Americas, Asia and Israel.  It was also used as a prænomen. The Marquessate of Samaranch (Spanish: "Marquesado de Samaranch" ) is a hereditary title of Spanish nobility.  The title was bestowed by King Juan Carlos I of Spain on Juan Antonio Samaranch on 30 December 1991, honouring his efforts in support of the Olympic movement as President of the International Olympic Committee. The title Marquesses of Mancera (Spanish: "Marqués de Mancera" ) is a hereditary title in the nobility of Castille and Grandees of Spain.  The title was created by King Philip IV of Spain and given to Pedro de Toledo y Leiva, in the 17th Century. Baron Templemore, of Templemore in the County of Donegal, is a title in the Peerage of the United Kingdom, since 1975 a subsidiary title of the marquessate of Donegall.  It was created on 10 September 1831 for Arthur Chichester, Member of Parliament for Milborne Port and County Wexford.  He was the son of Lord Spencer Stanley Chichester, third son of Arthur Chichester, 1st Marquess of Donegall (see Marquess of Donegall for earlier history of the Chichester family).  Lord Templemore's son, the second Baron, and grandson, the third Baron, both served as Deputy Lieutenants of County Wexford.  The latter was succeeded by his eldest son, the fourth Baron.  He served as the Government Chief Whip in the House of Lords between 1940 and 1945.  He was succeeded by his second but eldest surviving son, the fifth Baron.  In 1975 he succeeded his kinsman as seventh Marquess of Donegall.  For further history of the titles, see Marquess of Donegall. Infante (] , ] ; f. infanta), also anglicised as Infant or translated as Prince, is the title and rank given in the Iberian kingdoms of Spain (including the predecessor kingdoms of Aragon, Castile, Navarre and León), and Portugal, to the sons and daughters ("infantas") of the king, sometimes with the exception of the heir apparent to the throne who usually bears a unique princely or ducal title.  The wife of an "infante" was accorded the title of "infanta" if the marriage was dynastically approved (e.g. Princess Alicia of Bourbon-Parma), although since 1987 this is no longer automatically the case in Spain (e.g. Princess Anne d'Orléans).  Husbands of born "infantas" did not obtain the title of "infante" through marriage (unlike most hereditary titles of Spanish nobility), although occasionally elevated to that title "de gracia" ("by grace") at the sovereign's command. The Marquessate of Estepa is a Spanish noble title created by King Philip II by decree on 28 May 1543 and by letters patent on 20 April 1564 in favour of Marco Centurione.  The title refers to the area of Andalusia of Estepa, in the province of Sevilla and its jurisdiction included the places Estepa, Alameda, Aguadulce, Badolatosa, Casariche, Gilena, Herrera, La Roda, Lora, Marinaleda–Matarredonda, Miragenil, Pedrera and Sierra de Yeguas. Juan Carlos (] ; Juan Carlos Alfonso Víctor María de Borbón y Borbón-Dos Sicilias, born 5 January 1938) reigned as King of Spain from 1975 until his abdication in 2014. The marquessate of las Marismas del Guadalquivir is a Spanish noble title created on 20 May 1829 by Ferdinand VII of Spain for Alejandro María Aguado y Ramírez de Estenoz (Seville 1784 - Gijón 1842), an Army officer and merchant banker. María Cristina de Orléans (born "Marie Christine d'Orléans", 29 October 1852 – 28 April 1879) was one of the daughters of Prince Antoine, Duke of Montpensier, a son of King Louis Philippe I, and Infanta Luisa Fernanda of Spain, the youngest daughter of Ferdinand VII of Spain.  María Cristina was raised in Seville, and given her father's close relationship with the Spanish Royal Family, she and her siblings were awarded the title of Infante and Infanta of Spain.  She died at the age of 26 from tubercluosis. During the Spanish State, "caudillo" Francisco Franco he created the Regency Council on 26 July 1947 and became its president.  This allowed Franco to hold this office as regent, until he appointed a successor to restore the kingdom of Spain.  Following his visit to Portugal, from the 22nd October 1949 to 27 October 1949 several politicians became regent across this period.  Later, following Franco's illness, the future king of Spain Juan Carlos was chosen as Franco's designated successor and became acting head of state from 19 July 1974 till 2 September 1974.  Soon after this appointment, Franco died on 20 November 1975 and he became King of Spain a couple of days later on 22 November 1975 and reigned until his abdication on 19 June 2014.
Answer: The title was bestowed by King Juan Carlos I of Spain