Rosa was the illegitimate daughter of Francisco Herrera Campuzano y Gutierrez, officer, rich cocoa producer, who conceived her with a "mulata" named Felipa Cornejo.
Also, for these activities and attend the same social circles she met Manuela Sáenz, establishing between them a great friendship and complicity in the conspiracy work.
[1] On Saturday night, July 28, 1821, the Cabildo of Lima organized a party in the city hall in honor of San Martín and the proclamation of independence.
The General and Rosita met there and the next day, Sunday, July 29, San Martin returned the deference with another dance, now in the halls of the Palace of the Viceroys and saw again the beautiful Guayaquil.
By 1832 Rosita began a relationship with the German businessman John Weniger, owner of two valuable shoe stores on the St. Augustine silversmiths' street.