Answer:
Molly.
Explanation:
In Charles Dickens's "Great Expectations', Mr. Abel Magwitch is a convict who Pip first came in contact with at the start of the story. Magwitch had threatened and scared Pip telling him to help him or else he will be killed. This encounter starts the story, and later on, after more than two decades, they meet again. And as far as Abel Magwitch is concerned, he does not have a legal wife but was with a a mentally unstable woman named Molly. Their relationship produced a daughter who later turned out to be Estella, the adopted daughter of Miss Havisham.