The name DeWitt is of Dutch origin and means "son of Widi," with Widi being a shortened form of names like Guido or Wido in Dutch. It is a surname that may have been derived from a father's first name to indicate a familial relationship.
Lew DeWitt's birth name is DeWitt, Lewis.
DeWitt Copp's birth name is Dewitt Samuel Copp.
DeWitt Bodeen's birth name is Homer DeWitt Bodeen.
Joyce DeWitt's birth name is Joyce Anne DeWitt.
Keegan DeWitt's birth name is Keegan Edward Arthur John DeWitt.
Dewitt Ladd Rucker's birth name is DeWitt Cyril Rucker Jr..
Renee DeWitt's birth name is Renee Alway.
If you mean Rose Dewitt Bukater...she is a fictional character.
Rose Dewitt Buckater
DeWitt
Her name is.......Rose DeWitt Bukater
Rose Dawson.