text: Michelangelo 's greatest work here is reserved for two minor members of the family , Lorenzo 's grandson , Lorenzo the Duke of Urbino , portrayed as a pensive Roman soldier above two allegorical figures of Dawn ( female ) and Dusk ( male ) , and his son , Giuliano the Duke of Nemours , more warrior-like above figures of Night ( female ) and Day ( male ) .
  
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  Michelangelo 's best work is only for two special family members .