Question: What is the date of death of Eugenia Martínez De Irujo, 12Th Duchess Of Montoro's mother?
Sentence (from "Carlos Martínez de Irujo, 1st Marquess of Casa Irujo"): Their son Carlos Martínez de Irujo y McKean( 1802- 1855), Duque of Sotomayor, became prime minister of Spain for a short period in 1847.
Relevant evidence: No