Duke of Moctezuma de Tultengo

Dukedom of Moctezuma
Creation date	October 11, 1865 (1865-10-11)
Created by	Queen Isabella II of Spain
First holder	Antonio María Marcilla de Teruel-Moctezuma y Navarro
Present holder	Juan José Marcilla de Teruel-Moctezuma y Valcárcel
Heir apparent	Sofia Marcilla de Teruel-Moctezuma y Capelo

Duke of Moctezuma (Spanish: Duque de Moctezuma) is a hereditary title of Spanish nobility held by a line of descendants of Emperor Moctezuma II, the ninth Tlatoani, or ruler, of Tenochtitlan. Since 1766, the title has been associated with a Grandeza de España, or a place in the Spanish peerage — the highest honor accorded to Spanish nobility (see also Mexican nobility).

The original title of Count of Moctezuma, from which it descends, was given by King Philip IV of Spain in 1627 to Pedro Tesifón Moctezuma de la Cueva, 1st Viscount of Ilucán, Lord of Tula and Peza, a Knight of Santiago and a great-grandson of Moctezuma II through his son Pedro de Moctezuma Tlacahuepan and grandson Diego Luis Moctezuma (Ihuitl Temoc), Pedro Tesifón Moctezuma de la Cueva's father, who went to Spain. Charles II of Spain later granted the second holder of this title the qualification of de Tultengo, in reference to a town in the Mexican state of Hidalgo which was part of the inheritance of Moctezuma's son Pedro. All subsequent holders from 1635-1865 used the title, "Count of Moctezuma de Tultengo" until the advancement to the rank of Duke removed de Tultengo. The title of Duke of Moctezuma (without the qualification of 'de Tultengo') was granted to Antonio María Marcilla de Teruel-Moctezuma y Navarro, 14th Count of Moctezuma de Tultengo and 11th Marquis of Tenebrón on October 11, 1865 by Queen Isabella II of Spain.

The current holder of the title is Juan José Marcilla de Teruel-Moctezuma y Valcárcel, 6th Duke of Moctezuma. His father had assumed the title, and was regranted the qualification of de Tultengo (as the second Count of Moctezuma was in 1639) by King Juan Carlos I of Spain in 1992.

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• GONZÁLEZ ACOSTA, Alejandro. “Los herederos de Moctezuma”. Boletín Millares Carlo. ISSN 0211-2140, Nº. 20, 2001. Págs. 151-158.
• ÁLVAREZ NOGAL, Carlos. “El Conde de Moctezuma en el Reino de Granada.” El reino de Granada y el Nuevo Mundo. V Congreso Internacional de Historia de América, mayo de 1992, Vol. 2, 1994. ISBN 84-7807-110-5. Págs. 105-116.