[1] A 2009 native title determination described the Dingaal people as a clan, which is passed down through patrilineal descent, "of the Baru, Yoren or Charlie families".
With regard to the latter, "Gambiilmugu is a Guugu Yimidhirr name for this same clan affiliated with the Barrow Point language Y63.1, i.e. Ama Ambilmungu (Y62) (Sutton, 1993:34).
[12] The Walmbaria's traditional lands are estimated to have encompassed approximately 50 square miles (130 km2), extending over the reefs and Flinders island group north of Princess Charlotte Bay.
[14] The Great Barrier Reef Marine Park Authority states on their website that the traditional lands of the Guugu Yimidhirr Warra Nation extend from Lizard Island to the Hopevale region.
Though the tribes are not named, one report from a crew member with Captain Blackwood who landed at a spot just south of Cape Melville in 1843 has provided a linguistic clue.
[19] By 1926 a survey found that the Walmbaria remnant which had managed to survive the incursions of white settlement numbered a mere 25, 10 of them male, the rest female, with no children known to exist, the youngest person encountered being 18 years old.
Their men manufactured a heavier and thicker ironwood mallet than the otun, similar to the drum gong used in Melanesia, though they also used the normal regional variety employed to this end by the Barungguan and Mutumui.