Twilight: Bella Other Daughter

Addison Swan is Bella Swan daughter. Before moving to Forks Bella was at a party when she was 15 and had a little to much to drink. This caused Addison to be born. Addison has been close with her mother and even took a liking to Edward. But Addison has been close with people on the Rez. Especially Billy who knew Addison was a werewolf due to her being part of the tribe. Addison left Washington and went to travel the world once she reached 15. What happens when Bella tells Billy that Addison is making a return? What happens when Billy tell Bella that Addison is the mate to the Wolf Pack?

Breaking Dawn Part 1-2

I know Bella is 18 and if she had Addison at 15 then Addison would be 3 years old but go with her being 17. This is fan fiction.