They are believed to be the ancestors of today's Taiwanese indigenous peoples, whose languages belong to the Austronesian language family, but show much greater diversity than the rest of the family, which spans a huge area from Maritime Southeast Asia west to Madagascar and east as far as New Zealand, Hawaii and Easter Island. This has led linguists to propose Taiwan as the urheimat of the family, from which seafaring peoples dispersed across Southeast Asia and the Pacific and Indian Oceans.