Complex sentence: House is the Chair of the Ngunnawal Local Aboriginal Land Council in Queanbeyan, NSW, which she estalished with her brothers in 1984, and the Joint Chair of the Interim Namadgi National Park Committee.
Split into simpler sentences: House is the Chair of the Ngunnawal Local Aboriginal Land Council in Queanbeyan which she estalished with her brothers in 1984. NSW and the Joint Chair of the Interim Namadgi National Park Committee.