Verity Newman was the great-grandaughter of Joan Redfern a nurse the Doctor had met in the year 1913. One day when she was searching out her attack she found the diary of her Joans, the one wrote by The Doctor, when he was in the form of John Smith.
In 2010 the Doctor went to a book signing of hers. She asked who to sign it to. When the Doctor said him she realised it was the same man. She told the Doctor her great grandmother died happily. (DW: The End of Time)
Behind the Scenes
Verity Newman gets her name from Verity Lambert and Sydney Newman who where the first producers of Doctor Who. This was first explored in Human Nature and The Family of Blood the episodes where Joan Redfern appeared in.