OK, so let’s say they do end up to be related. And since the Blossoms are a Victorian horror story of a family, that revelation leads the Coopers to go get Polly back tout suite (prior to Cliff’s hanging). Spoilers up to Season 2, Episode 6!!! It's also the real reason why Hal was hellbent on keeping them apart.

The Blossoms and the Coopers are related by blood, and not only did the Blossoms know about it, they actually encouraged the Polly/Jason relationship implicitly because of it. Discover unique things to do, places to eat, and sights to see in the best destinations around the world with Bring Me! Fans have long since been confused with the backstory regarding the Blossom family. Donate today and show your support for the Archive! Obsessed with travel? And now it looks like we may have just got to the bottom of Riverdale's most notorious family, the Blossoms. In Season 1, we find out that the Blossoms are one complicated family. A MASSIVE clue has been right in front of us this whole time!!!

Here’s what we know about each of their families… The Blossoms.

While Polly was sleeping, Betty was finding out the truth: The Blossoms and Coopers were so tightly related, that Polly and Jason's relationship was incestuous.

All this chat about Grandpappys and Cooper feuds and potential incest and everyone hating Cheryl for literally no reason, and yet, nothing really been disclosed so far. You can say that again, girl. Check out our new thank-you gifts celebrating AO3’s Hugo Award win. Because they’re also the Coopers. ZOMG: Alice Cooper's Brooch Proves A Major Secret About The Coopers And The Blossoms.

Why? - by Matty G 18 Jul 2017 WARNING: Potential Riverdale spoilers ahead! RAS: We knew that the Blossoms and the Coopers were related from the beginning. So far, we've raised US$ 196,466.00, surpassing our goal of US$ 130,000!