Pheobe Bishop's family has hit back at her aunt who went on TV to share disturbing texts from the missing teen, and blasted her claims about the youngster's upbringing.

Caz Johnson - sister of Pheobe's mum Kylie Johnson - made her allegations about the 17-year-old's tumultuous family life on Network Ten's The Project on Wednesday.

Pheobe was last seen on May 15 leaving the rundown house she shared with housemates James Wood and Tanika Bromley in Gin Gin, near Bundaberg.

The pair have since been charged with unrelated weapons offences.

No charges have been laid over Pheobe's disappearance and Daily Mail Australia does not suggest Bromley and Wood were involved in her disappearance.