Racheal and Levi lived with the Cullens for three years the moved with the Denali's when they decided to move back to Alaska. Carlisle and Bella got married soon after they moved to Canada.
Avery lived a very long happy life, and had two kids, and seven grandchildren.
Charlie mated with Tanya, and recovered little pieces of his memory, enough to remember Bella was his child and Avery was his grandchild.
Emmett and Rose decided to adopt, and raise a little girl.
Bella never regreted anything that had happened in her life, and kind of thanked Mr. Tren for what he did, because he lead her to her soul mate and her happily ever after.