设计一个家谱管理系统，允许用户输入家谱信息，并显示层次化的家谱图。允许用户输入成员姓名，在家谱中查询是否存在该成员并返回该成员所在的辈分（家谱中的第几代）、双亲及孩子。-Design a family tree management system, allows the user to enter the family tree information, and display the level of the genealogical chart. Allows the user to input the names of the members, in the genealogical query whether the existence of the back member and the member' s seniority in the family (the first of several generations of family tree), both parents and children.