Complex sentence: Settlers' records from the time indicate that only three Aborigines belonging to the Cadigal tribe were left after this outbreak, however some anthropologists maintain that the tribe dispersed into other areas of the shared Eora language group.
Split into simpler sentences: Settlers' records from the time indicate that only three members of the Cadigal tribe were left after this outbreak. However, some anthropologists maintain that the tribe dispersed into other areas of the shared Eora language group.