Roswell That Ends Well has these relationships to other tropes:

parents kids shares a parent with:
Historical In Joke
Stock Unsolved Mysteries
parent child
Stock Unsolved MysteriesPhlebotinum Killed The Dinosaurs
Historical In JokeBeethoven Was An Alien Spy
''ET Gave Us Wi Fi
''Historical Person Punchline
''The Gump
Stock Unsolved MysteriesThe Tunguska Event
''Who Shot JFK
''Lost Roman Legion
''Jesus The Early Years
''Pyramid Power
''Jack The Ripper
''Bermuda Triangle
''The Men In Black
You'll need to Get Known if you want to add or modify these relationships.