[VadeRetro]

"[The research] is the best evidence yet of the Indian origins of the Gypsies," the researchers write in an article published online ahead of print in the American Journal of Human Genetics.

We've known this for decades because the Romany Languages are clearly descended from Sanskrit.

[PatrickHenry]

We've known this [the Indian origins of the Gypsies] for decades because the Romany Languages are clearly descended from Sanskrit.

Yes, but as the article points out:

"There are quite a few examples where a population adopts a language but this does not necessarily mean its biological roots belong to the same place as the larger population that speaks this language," she [Professor Luba Kalaydjieva] said. "So from the biological point of view we have provided we have provided the best evidence so far that this is indeed a population that derives from the Indian subcontinent."