Start Ofdarkness has these relationships to other tropes:

parents kids shares a parent with:
Face Heel T Urn
Rousseau Was Right
Corrupt The Cutie
From Nobody To Nightmare
parent child
Face Heel TurnFace Monster Turn
''Love Makes You Evil
''Became Their Own Antithesis
''Heel Face Revolving Door
''Sudden Sequel Heel Syndrome
Rousseau Was RightStart Of Darkness
''Used To Be A Sweet Kid
''Freudian Excuse
''Humans Are Good
You'll need to Get Known if you want to add or modify these relationships.