Unicorn has these relationships to other tropes:

parents kids shares a parent with:
Cool Horse
Unicorns Are Sacred
Winged Unicorn
parent child
Cool HorsePegasus
''Automaton Horse
''Hellish Horse
''Horse Of A Different Color
''Mechanical Horse
''Our Centaurs Are Different
''Power Up Mount
''White Stallion
''My Horse Is A Motorbike
You'll need to Get Known if you want to add or modify these relationships.