Betty And Veronica has these relationships to other tropes:

parents kids shares a parent with:
Girl Next Door
Love Interest
Love Triangle
parent child
Love InterestBastard Boyfriend
''Girl Next Door
''Understanding Boyfriend
Love TriangleYandere Love Triangle
''Love Dodecahedron
''Sibling Triangle
''Triang Relations
''Romantic False Lead
''Murder The Hypotenuse
''Two Person Love Triangle
You'll need to Get Known if you want to add or modify these relationships.