Split Personality Takeover has these relationships to other tropes:

parents kids shares a parent with:
Face Monster Turn
Split Personality
parent child
Face Monster TurnTragic Monster
''Stockholm Syndrome
''Being Tortured Makes You Evil
''Brainwashed And Crazy
''Transhuman Treachery
''Zombie Infectee
''And Then John Was A Zombie
''The Virus
''Demonic Possession
''With Great Power Comes Great Insanity
''Resist The Beast
Split PersonalitySplit Personality Merge
''Jekyll And Hyde
''Enemy Within
You'll need to Get Known if you want to add or modify these relationships.