Catherine De Medici

Catherine De Medici
Catherine De Medici was Queen and Dowager Queen of France. As Queen she ruled for twelve years, and when her husband died, she wielded tight control over the French monarchy through her three sons, who served sucessively as Kings of France. Catherine was also known as being obsessed with the occult, and was a fervent Catholic and persecutor of the Protestant French population.

Secrets of the Immortal Nicholas Flamel
Catherine De Medici is mentioned as being an immortal residing in Paris by Nicolo Machiavelli in the Magician. He notes that she obtained immortality of her own free will, and does not have any loyalty to the Elders. She is also known to be very much a recluse.