What are the important parent/child relationships in The Kite Runner?

I already have that of Baba and Amir and Baba and Hassan.What are the important parent/child relationships in The Kite Runner?
you could even use assef (when he grows up) and hassan's son (i don't remember his name) to show a negative relationshipWhat are the important parent/child relationships in The Kite Runner?
Ali and Hassan, Soraya and her Dad, Sohrab and Hassan.