A Celebration of Life service for Nancy Carlberg, 64, of Greenfield, will be Wednesday at 7 pm at the Steen Funeral Home in Greenfield.  Visitation with the familiy will be Wednesday from 5 pm to 7 pm.  Memorials will be given to a charity of the families choice.  Online condolences may be left at steenfunerals.com.  Survivors include:  Children, Alicia Carlberg of Ankeny and Lukus Carlberg of Lakewood, Colorado.  Sisters, Jane Watson of Lorimor and Sarah Sickles of Fontanelle.