Leonor de Vivero participated in a Protestant circle that gathered in her house and was accused of having conspired against the Catholic church.
Her family belonged to the nobility, they had been counters of Castile and members of both the Valladolid bourgeois oligarchy and the courtly aristocracy.
[2] Her mother died in 1524, and proceedings against her began in 1526 for the delation of a maid who accused her of Judaizing despite having been reconciled.
Other maids corroborated these accusations and Leonor and her brother Alonso Pérez de Vivero testified in her favor.
[3] Alonso de Vivero was also suspected of Judaizing and maintaining contacts with Blessed Francisca Hernández, who had been accused as illuminated and after Lutheran.