Mauricio Carlos de Onís y Mercklein (17 September 1790, in

Dresden Dresden (; ; Upper Saxon German, Upper Saxon: ''Dräsdn''; , ) is the capital city of the States of Germany, German state of Saxony and its second most populous city after Leipzig. It is the List of cities in Germany by population, 12th most p ...

Kingdom of Saxony The Kingdom of Saxony () was a German monarchy in Central Europe between 1806 and 1918, the successor of the Electorate of Saxony. It joined the Confederation of the Rhine after the dissolution of the Holy Roman Empire, later joining the German ...

– 24 November 1861, in Cantalapiedra,

Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...

) was a Spanish

politician A politician is a person who participates in Public policy, policy-making processes, usually holding an elective position in government. Politicians represent the people, make decisions, and influence the formulation of public policy. The roles ...

and

diplomat A diplomat (from ; romanization, romanized ''diploma'') is a person appointed by a state (polity), state, International organization, intergovernmental, or Non-governmental organization, nongovernmental institution to conduct diplomacy with one ...

who served as

Minister of State Minister of state is a designation for a government minister, with varying meanings in different jurisdictions. In a number of European countries, the title is given as an honorific conferring a higher rank, often bestowed upon senior minister ...

in 1840 and as

President of the Congress of Deputies The president of the Congress of Deputies () is the speaker of the Congress of Deputies, the lower house of the Cortes Generales (the Spanish parliament). The president is elected among the members of the Congress and is, after the king and th ...

. Mauricio was son of Luis de Onís y González-Vara, an important

who signed the Adams-Onís Treaty with the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

in 1819, and of Federika Christina von Mercklein. He married in Cantalapiedra, 11 December 1816, his first cousin Carolina de Onís, and had issue.

References

Mauricio Carlos de Onís
Spanish Senate * , - Foreign ministers of Spain Presidents of the Congress of Deputies (Spain) Spanish expatriates in the Holy Roman Empire 1790 births 1861 deaths Presidents of the Senate of Spain {{spain-diplomat-stub