I would love to re read a series that I read as a teen.
Set in a world where women didn’t live past their early twenties and a girl was bought as a sister wife along side 2 other girls. She had a twin brother that she had lost when she was taken to be a wife. The original wife ate magic jelly beans that I think helped her stay alive and she would share these with the main girl. She escaped with a servant boy and in the second book they ran away to the circus. Pretty certain the dad of the husband was evil 
I’m pretty sure when I read them the book covers were women dressed in masquerade outfits.