Olimpia Maidalchini

Olimpia Maidalchini (26 May 1591 – 27 September 1657), (also spelled Olympia and known as Donna Olimpia or Olimpia Pamphili), was the sister-in-law of Pope Innocent X (Pamphili). She rose to prominence as one of the most powerful women in Rome of her era and influenced foreign and domestic papal policy as well as several papal conclaves.

Read more about Olimpia Maidalchini:  Early Life, Influence, Titles, Decline, Legacy