Complex sentence: Mellor was born in Mackay, Queensland in 1971; his maternal great great grandmother Eleanor Kelly and great grandmother May Kelly, were Mamu/Ngagen Indigenous Australian people from the rainforest country around Cairns.
Split into simpler sentences: Mellor was born in Mackay, Queensland in 1971. His maternal great great grandmother Eleanor Kelly and great grandmother May Kelly were Mamu/Ngagen Indigenous Australian people from the rainforest country around Cairns.