Complex sentence: She and her sister Linda Batista became famous at a young age and soon won the admiration of the then president Getúlio Vargas that raised them to the status of "national heritage" and became RCA Victor's sales champions over the years 40,50.
Split into simpler sentences: She and her sister Linda Batista became famous still young and soon won the admiration of the then president Getúlio Vargas which considered the sisters Batista "national heritage". She became RCA Victor's sales champions over the years 40,50.