As Hildegart's fame as a child political activist grew, so too did Aurora's paranoid belief that an international conspiracy jeopardized the experiment.

The father is reported to be a Lleida military priest named Alberto Pallás, according to Professor María Rosa Cal Martínez, who established the identities with arguments.

However, the freedom in which Hildegart was brought up led her to choose differing political commitments[clarification needed] and to launch an attempt to gain independence from her mother.

Aurora was unwilling to forego her control over her daughter's life, and was also affected by paranoid delusions that there was an international conspiracy to ruin the "perfect" result of her eugenic experiment.

[5] Until her medical records were found in 1977, Aurora was believed to have become one of the "disappeared"[clarification needed] during the Spanish Civil War, but she actually died of cancer in the Ciempozuelos psychiatric facility on December 28, 1955.