Death is a hard situation to understand and accept for children. Therefore the grieving reaction of children in death situation may be different regarding to age group or cultural back ground of children. Death of a sibling may make a profound impact to the living sibling and may make irreversible changes in the living sibling’s life. Grieving reactions which are caused by the death of siblings can commonly cause major sorrow and depression. Children who experienced this situation can get less support from their parents because of parents’ own grief or they can communicate less and may feel neglected and invisible. This situation may cause them to feel frightened, angry, anxious and depressed. Nurses have an important role among the other health care professionals to support the children who experienced sibling’s death because nurses are always in touch with parents, sick children and their siblings at every stages of disease process. Nurse can support parents and siblings to live their grief process in a harmonius way by appropriate approach and education or nurses may notice earlier parents and siblings who are living the grief process inappropriately and should plan the nursing interventions according to them.