Twosret's reign ended in a civil war which is documented in the Elephantine stela of her successor Setnakhte who became the founder of the Twentieth dynasty.
Setnakhte's son, Ramesses III, later excluded Twosret and even Siptah of the 19th dynasty from his Medinet Habu list of Egyptian kings thereby delegitimizing them in the eyes of the citizenry [REF].