We barely saw Amy's parents as well.

I can't remember the actor that played her father in the Christmas special but her grandmother seem nice or was she there so Clara had someone to talk to about Danny?. I guess it doesn't matter since we don't get to see the aftermath of her death.

Moffat is not that big on domestic like RTD did. He focuses on mainly single father with eldest daughter and younger son dynamics. At least its a change from RTD's nagging mother trope.