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)
... 498 families residing in the village. The population density is 252.4/km² (654.2/mi²). There are 2,279 housing units at an average density of 302.4/km² ...