Eleanor Osgood-Lockhart
From LLWiki
Eleanor Osgood-Lockhart is the grandmother of Arthur Osgood, the Duke of Pevensey. She is the Dowager Duchess of Pevensey and the Dowager Countess of Branksea.
She currently resides at Branksea Castle, where she is cared for by a nurse hired due to her recent and rapid descent into forgetfulness and confusion.
