Throughout Supernatural, relationships have developed throughout the years. Friends, Allies, Brothers, Lovers, etc. As the show itself developed, so did the relationships. In fact, it soon became part of the story line and one of its main driving factors.
So this page will host all the relationships Sam and Dean have with the people the meet they meet and so on. Plus relationships characters make have with each other. For the leser relationships, bunch them together into one page. PS- When it says "relationship", it mean like friendship, or bond. Nothing involving love, unless it says so.
For the small relationships check out these pages.
For Main relationships Check out these pages: