Carlos María de Alvear (October 25, 1789 in Santo Ángel, Rio Grande do Sul – November 3, 1852 in New York, United States) was an Argentine soldier and statesman, Supreme Director of the United Provinces of the Río de la Plata in 1815.
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He was born Santo Ángel in the northern part of the Viceroyalty of the River Plate (now in Rio Grande do Sul) to a Spanish nobleman father, Diego de Alvear y Ponce de León, and a criollo mother, María Balbastro and baptised Carlos Antonio del Santo Ángel Guardián.
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His birthplace Santo Ángel was, at that time, part of Misiones Province, but currently belongs to the Brazilian state of Rio Grande do Sul.
The museum has its origins in a marriage in 1897 between two prominent members of turn-of-the-century Argentine high society: Matías Errazúriz, the son of Chilean émigrés, and Josefina de Alvear, the granddaughter of Independence-era leader Carlos María de Alvear.
Carlos Santana | Rainer Maria Rilke | Juan Carlos I of Spain | Carl Maria von Weber | Santa Maria | Maria Callas | William Carlos Williams | San Carlos | Carlos Menem | Santa Maria Capua Vetere | Maria | Don Carlos | Maria Theresa | Henrietta Maria of France | José María Aznar | Wendy Carlos | Roberto Carlos | Maria Muldaur | Maria Bethânia | Carlos the Jackal | Carlos Sastre | Carlos Gardel | Carlos | Carlo Maria Giulini | Basilica di Santa Maria Maggiore | Ave Maria | Santa Maria, Bulacan | Maria Theresa of Austria | Maria Edgeworth | San Carlos Water |