The following is a list of famous people who are believed to have been polydactyl:
Anne Boleyn - said to have had eleven fingers, although she only had a double fingernail and a lump on her little finger[1] (http://www.straightdope.com/classics/a3_053)
... family.
Of the more specific uses of the term, the most common include:
1. A supporter of King Charles I of England during the English Civil War.
2. In the UK, a ...