Was the king of Spain in 1975 given the title "Marquessate of Samaranch"?
Marquisate of Samaranch:  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. Juan Carlos I of Spain: 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 title was bestowed by King Juan Carlos I of Spain