Marquess of Alfonsín
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| Marquess of Alfonsín | |
|---|---|
 Coronet of a grandee of Spain | |
| Creation date | 24 June 2025 |
| Created by | Felipe VI |
| Peerage | Spanish nobility |
| First holder | Jaime Alfonsín, 1st Marquess of Alfonsín |
| Present holder | Jaime Alfonsín, 1st Marquess of Alfonsín |
| Heir apparent | Natalia Alfonsín Uranga |
| Remainder to | heirs of the body of the grantee according to absolute primogeniture |
Marquess of Alfonsín (Spanish: Marqués de Alfonsín) is a hereditary title in the Spanish nobility, accompanied by the dignity of Grandee, created in 2025 by King Felipe VI. The title was bestowed to Jaime Alfonsín Alfonso, private secretary to the King from 2014 to 2024 and, before that, private secretary to the Prince of Asturias from 1995 to 2014.
The title takes its name from the first holder, Jaime Alfonsín.
Creation
After being announced on 19 June 2025, on the 11th anniversary of King Felipe's accession, on June 24 the monarch signed Royal Decree 513/2025, of June 24, that stated:[1]
Don Jaime Alfonsín Alfonso has personally assisted me for many years, first as Head of my Secretariat being Prince of Asturias and then as Head of my Household, with prudent judgment, loyal advice and enormous dedication, so, wanting to show him my Royal appreciation for his great loyalty and his outstanding services to Spain, the Crown and the Royal Family,
I grant him the title of Marquess of Alfonsín, accompanied by the dignity of Grandee, for him and his successors, in accordance with Spanish nobility law.
— FELIPE R., Royal Decree n.º 513 of 24 June 2025.