#include <iostream>
using namespace std;


// creating a parent class
class Grandfather{    // this is the parent class
    public:           // this is the access specifier
    void myfunction() {
        cout<<"Gramdfather is the parent class. \nFather is derived from the Grandfather. \nAnd Son is derived from Father.";
    }
};

// deriving a class from the parent class
class Father: public Grandfather {
};

// deriving anogther class from the derived class above
class Son: public Father {  
};

int main(){
Son myobject;            // this is an object of the class
myobject.myfunction();   // calling the function 
return 0;
}

Multilevel inheritance in C++

Overview

Example

Explanation