Chris Morganroth III tells the true story of the Quileutes' origin. Legend has it that a being known as the Transformer changed a pair of wolves into the first man and woman.
This confirms that Twilight's backstory is less authentic than Stephenie Meyer has claimed. The key differences:
1) In Meyer's version, the ancient Quileutes voluntarily used their magical powers to change into wolves to battle their enemies. They passed this ability down to their descendants.
In the real story, an external force changed wolves into people--once. The Quileutes didn't choose to undergo this transformation, and they didn't gain a magical power to change again. Once they became human, they were plain ol' people, not shapeshifting werewolves.
As an analogy, consider the princess who kissed a frog and turned him into a prince. In Meyer's version of the story, the prince would be a frog person who could change into a frog at will. These aren't two versions of the same story; they're two different stories that happen to involve frog transformations.
Wolves gave birth to humans?
2) It's debatable whether the Quileutes are truly descended from wolves. Wolves didn't give birth to the first Quileutes; they were changed into humans. So the Quileutes are descended from humans who were formerly wolves, not from wolves.
As an analogy, if God created humans out of clay, would we say we're descended from clay? No, we'd say we're descended from the first humans (perhaps Adam and Eve), who were made out of clay. The Quileute situation is similar.
An article sums it up nicely:
TV program to show that Quileute don't actually have 'Twilight' werewolves
Author Stephenie Meyer cast some Quileute as werewolves in her best-selling vampire novels set in Forks, LaPush and Port Angeles.
Although the Quileute have extensive stories about wolves in their heritage, they have no stories about werewolves.
That Twilight Weekly has to dispel the idea that the Quileutes are werewolves is telling. I bet a lot of Twihards think something like this. Not that the Quileutes are literally werewolves, but that they think they're werewolves. That they have some sort of mystical culture centered around wolf worship and transformation.
For more on that subject, see The Problem with Quileute Werewolves. For more on Twilight Weekly, see Twilight Weekly's Korey Video.