Sugar And Ice Personality has these relationships to other tropes:

parents kids shares a parent with:
Ice Queen
The Stoic
Rei Ayanami Expy
parent child
Ice QueenDefrosting Ice Queen
''Jerk With A Heart Of Gold
''Jerkass Woobie
''Stepford Snarker
''Alpha Bitch
''The Baroness
''Broken Bird
''The Snark Knight
The StoicStoic Woobie
''Aloof Big Brother
''Emotionless Girl
''Shell Shocked Veteran
''The Silent Bob
''The Spock
''Super Stoic Shopkeeper
''The Quiet One
''Stoic Spectacles
''Not So Stoic
You'll need to Get Known if you want to add or modify these relationships.