Acosta was born in 1825 to Magdalena Santa Coloma Lezica, the daughter of a prominent Buenos Aires Province landowner, and Jos* Francisco Acosta, from Corrientes Province. Opposed to the repressive regime of Governor Juan Manuel de Rosas, Acosta emigrated to Europe shortly after _his_ secondary school graduation. <sep>, Pronoun: his <sep>, A: Juan Manuel de Rosas <sep>, B: Acosta