Who is the bride of John Wemmick in Great Expectations?

John Wemmick's bride is his longtime lady friend Miss Skiffins who came over to Wemmick's cottage. "the castle", every Sunday afternoon for tea with John and his father, known fondly as "the Aged". Miss Skiffens had a brother, an accountant, who helped John and Pip arrange a secret payment to Clarriker's trading house, buying a partnership, (unknown to him), for Herbert Pocket.