The relationship between Jason Blossom and Polly Cooper was passionate and romantic, however, it ended in tragedy. They became engaged and were expecting a child before Jason was mysteriously killed and Polly was sent to live in a group home. It was later revealed that they were, in fact, third cousins. Polly's family had changed their surname to Cooper upon the death of her great-grandfather and they cut ties with the rest of the Blossoms, which Jason and Polly did not know.