Moral Event Horizon has these relationships to other tropes:

parents kids shares a parent with:
Kick The Dog
parent child
Kick The DogKick The Son Of A Bitch
''Poke The Poodle
''And Your Little Dog Too
''Would Hurt A Child
''Offing The Annoyance
''Threw My Bike On The Roof
You'll need to Get Known if you want to add or modify these relationships.