Sor Juana Inés de la Cruz was born on November 12, 1651 and died on April 17, 1695. Sor Juana Inés de la Cruz would have been 43 years old at the time of death or 360 years old today.
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Yes, she had five siblings. Isabel Ramirez, her mother, had six illegitimate children, some from different fathers. Sor Juana's father was a Basque military man.