Ana de Azcuénaga de Olaguer Feliú
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Ana de Azcuénaga de Olaguer Feliú (1770–1845), was Vicereine of Río de la Plata in 1797–1799 by marriage to viceroy Antonio Olaguer Feliú. She became the first in that position ever to have been born in Argentina rather than a Spanish woman.