[xpert]

What is your name?
My name is Ahmad Salim Al Fahd

What's your father's name?
My father's name is Salim

What's your family name?
My family is Al Fahd


Notice:
1- The expressions (family name - last name - surname) have the same meaning

2- It's surname (one word) not (sure name)

3- When you call someone, mention the last name
Mr. Al Fahd