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.
The Toledo last name is a shortening of Álvarez de Toledo. In the 1570s, Pedro de Toledo, 8th son of García Álvarez de Toledo, 1st Duke of Alba, established a primogeniture (Spanish: Mayorazgo) over his estates and the surrounding lands, and became Lord of Mancera, Salmoral, Navarros, San Miguel, Montalbo and Gallegos, in the province of Avila, Castile-La Mancha, Spain.
Pedro de Toledo y Leiva, Lord of Mancera was granted the elevation of his title to Marquis on July 17, 1623.
Don Antonio Sebastián de Toledo, the second Marquis, was viceroy of New Spain from October 15, 1664 to December 8, 1673.