It contains the now-extinct Tocharian branch of China's Tarim Basin, which 
It contains the now-extinct Tocharian branch of China's Tarim Basin, which included Kuchean and Turfanian. Its hypothesized split from the Anatolian group has led to a modern movement for reclassification of the Hittite branch. Rasmus Rask, Franz Bopp, and William Jones deduced its existence by studying similarities in Norse, Latin, and Greek to Sanskrit. For 10 points, name this language family that also contains Hindi, French, German, and English.
It contains the now-extinct Tocharian branch of China's Tarim Basin, which included Kuchean and Turfanian.
{Indo-European} language family