ELDUAYEN, JOSE DE, Marquis del Pazo de la Merced (1823-1898), Spanish politician, was born in Madrid on June 22, 1823. He was educated in the capital, took the degree of civil engineer, and directed important works in Asturias and Galicia, entered the Cortes in 1856 as deputy for Vigo, and sat in all the parliaments until 1867 as member of the Union Liberal with Marshal O'Donnell. He attacked the Miraflores cabinet in 1864, and became under-secretary of the home office when Canovas was minister in 1865. He was made a councillor of State in 1866, and in 1868 assisted the other members of the Union Liberal in preparing the revolution. He accepted office as member of the last Sagasta cabinet under King Amadeus. On the proclamation of the republic Elduayen co-operated in the Alphonsist conspiracy, and endeavoured to induce the military and politicians to work together. He went abroad to meet and accompany the prince after the pronunciamiento of Marshal Campos, landed with him at Valencia, was made governor of Madrid, a marquis, grand cross of Charles III., and minister for the colonies in 1878. He accepted the portfolio of foreign affairs in the Canovas cabinet from 1883 to 1885, and was made a life senator. He died at Madrid on June 24, 1898.