It now has been 100 years since the battle between the Cullen and the Volturi, and a lot has happened since then.
Charlie and Sue had an accident at their fishing trip and, in order to save them, Bella has to change them into vampires. So, they joined the Cullen clan, and Charlie had the explanation he always searched for. He developed the ability to control water, while Sue had the ability to control fire
Following their mother transformation into a vampire, Leah and Seth Clearwater followed the Cullens and their leader Jacob. Leah found her werewolf mate in Alaska while the clan was visiting the Denali clan.
As expected, after 7 years Renesemee became fully grown and married Jacob.
The clan stayed in Forks for 3 more years and then flees to Russia. During their trip they found a family that was rubbed, almost all the members died. The only surviving member was a guy named Austin, Carlisle changed him into a vampire and he soon joined the clan.
Now, after 100 years, the Cullen family decided to go back to Forks, and who knows what new adventures they may encounter.
Disclaimer: I do not own the twilight characters or Austin and ally or anything you may recognize .