Sisters of Rebecca Elvira Crockett

According to Davy Crockett history and genealogy, Rebecca Elvira Crockett had only two sisters: 1. Margaret Finley Polly Crockett, (parents David Crockett and Mary Polly Finley), born 25 Nov 1812, Franklin Co., Tennessee. 2. Matilda Crockett, (parents Davy Crockett and Elizabeth Patton), born 2 Aug 1821, Lawrence Co., Tennessee.

http://wikipedia.org/wiki/Davy_Crockett

http://genealogy.goahead.org/david_crocketts_children.htm