Complex sentence: The Wurundjeri are a people of the Indigenous Australian nation of the Wurundjeri language group, in the Kulin alliance, who occupy the Birrarung (Yarra River) Valley, its tributaries and the present location of Melbourne.
Split into simpler sentences: The Wurundjeri are a people of the Indigenous Australian nation of the Wurundjeri language group, in the Kulin alliance. They historically occupied the Birrarung (Yarra River) Valley, its tributaries and the present location of Melbourne.