Grace Poole?

I require and charge…of an impediment” pg. 432

All along there has been a sense of foreboding around “Grace Poole” and the person on the third floor. This quote finally addresses the mystery. Jane and Mr. Rochester are in the chapel about to be married when the clergymen asks the standard question if anyone knows of any impediment of why the couple can’t be together normally there’s a pause and the ceremony continues. However, at Jane and Mr. Rochester's wedding, a person actually speaks up to declare there is an impediment and the mystery finally unfolds about the strange occurrences on the third floor