Respuesta :

Anatolian, Indo-Iranian, Greek, Italic, Celtic, Germanic, Armenian, Tocharian, Balto-Slavic and Albanian
There are nine total main branches of the indo-european language family...
Italic 

Balto-Slavic 
Germanic 
Hellenic 
Indian 
Albanian 
Anatolic 
Celtic 
Iranian

I did some more research and i never saw a page with only 3 main branches, it was always 9