Renacob

Renesmee x Jacob is the het ship between Jacob Black and Renesmee Cullen in the Twilight Saga fandom.

Canon
Jacob is a werewolf, which means he can 'imprint' on someone. Imprinting is a thing that werewolves do where they find their soulmate for life. Jacob was previously in love with Bella, Renesmee's mother, but he later imprinted on Renesmee, though he and Bella stayed friends.

Bella died while giving birth to Renesmee. This angered Jacob so much that he decided to kill Renesmee. However, when he saw the newborn for the first time, he couldn't, because he imprinted on her. Later, Bella was revived by Edward as a vampire. Jacob stayed friends with Bella, but was destined to fall in love with Renesmee.

Fanon
The ship is popular with some fans, but is criticized by most because when Renesmee was born, Jacob was 16. Since Renesmee grows rapidly, she will have the appearance of being fourteen when she is really seven, meaning that Jacob will be a twenty-three-year-old dating a seven-year-old.

Fandom
WIKIS

Jacob Black and Renesmee Cullen on Twilight Saga Wiki