Phoenix

Phoenix is the het ship between Taiyang Xiao Long and Raven Branwen from the RWBY fandom.

Canon
Taiyang and Summer were both members at beacon of team STRQ. It is unknown what kind of relationship they had back then but they eventually fell in love. They then proceeded to marry and have Yang shortly after. It could also be inferred that since they were teammates, they might have been friends that turned to lovers. Taiyang seems to speak both fondly and negatively about Raven to Yang.

Yang tells Blake in volume 2 that Raven left Taiyang shortly after she was born, for some unspecified reason. This greatly devastated Taiyang as he was now a single father and wallowed in his grief. In volume 4 Taiyang reveals to Yang that Raven was a very troubled and complicated woman. But that she always fought for what she believed in whether it was her team or her tribe. He then also tells Yang that she has her mom's stubbornness.

Yang then apologizes to her father about it but Tai tells her not to be. That he's proud that she reminds him of his ex-wife. In volume 5 Raven calls Taiyang a fool and Yang proceeds to knock over a table and threaten her. It was also revealed in volume 5 that Raven's semblance allowed her to make a portal to someone she has a close connection to. Taiyang is still one of those people. In volume 5, chapter 14 as Tai is watering his plants he sees a bird feather fall near him. He then turns around looks up and presumably glares.

Fanon
Phoenix is a semi-popular pairing within RWBY. Since it was one of the few canon couples in the show. A lot of people think that even though not together anymore Raven still cares for Tai since she still seems to check up on him and Yang every once in a while. People also think Maybe him and Raven had a talk at the end of volume 5. It has a small fanbase on tumblr.

Fandom
TUMBLR

Trivia

 * "Phoenix" comes from the fact that Raven is named after a bird, and Phoenix's are a type of mythical bird.