Mr Zhang is ma father,but I'm not his son .who an I

Mr Zhang is ma father,but I'm not his son .who an I Mr Wang is my father,but I'm not his son.Who am Mr Li is my father,but I'm not his son.Who am Mr.Wang is my father ,but i am not his son ,Who am I ? Mr lI is my father,but I'm not his son,Who amI?翻译成中文字 Mr L i is my father but I am noy his son Who am I he is my father ,But I am not his son. Who am I?I am his Li Ming is my son.but I am not his father.Do you know who I He is my father,but I'm not his son,I am his He is my father,but I'm not his son.I'm his____. T om is my son.But I am not his father.Do you know who I am? Li Ming is my son .But I'm not his mother.who am