Rodrigo Díaz de Vivar Gómez de Sandoval y Mendoza was a Spanish noble of the House of Mendoza and the 7th Duke of the Infantado, serving in this office from 1633 until his death in 1657.
Background
The Dukedom of the Infantado had been in the hands of the Mendoza family since the very first duke, Diego Hurtado de Mendoza y Figueroa. The Mendoza family rose to power when it merged with the House of Lasso de la Vega through the marriage of Leonor Lasso de la Vega, the last direct member of that line, and Admiral Diego Hurtado de Mendoza, the admiral of Castile. He inherited the title from his grandmother, Ana de Mendoza y Enríquez de Cabrera.
Career
He also participated in putting down the Catalan Revolt and in the Siege of Lérida. He was later named the Spanish ambassador to Rome, Governor of Milán, and Viceroy of Sicily. He died in 1657 without leaving any heirs.
Membership
The Mendoza family rose to power when it merged with the House of Lasso de la Vega through the marriage of Leonor Lasso de la Vega, the last direct member of that line, and Admiral Diego Hurtado de Mendoza, the admiral of Castile. Rodrigo actively fought in the Portuguese Restoration War as a member of Philip IV of Spain"s staff