Marie spent years as a virtual prisoner in convents. Hortense apparently drank herself to death. Not exactly Thelma and Louise driving off the cliff. But the Mancini sisters were brave and independent women who made quite a mark in the 1600s.
So say Jane Bergeron and Carrie Ann Quinn, authors and stars of a new play about Marie and Hortense, “Possessions,” which begins performances Thursday at Boston Playwrights’ Theatre.