Quiz question

England vs Denmark in a friendly at Wembley.

As a football match it is far from the most exciting match ever.

The Danish goalkeeper is Caspar Schmeichel, son of Peter who was Denmark's most capped player.

Which leads to a quiz question.

How many sons of international footballers have also played for their country?

My guess is very few.
Even less will have played in the same position as their father.