Answer
Pentawere was a son of Ramesses III. He was involved in the harem conspiracy, a plot to murder his father and usurp the throne. The conspiracy was led by Pentawere's mother, Tiye, and his stepmother, Isetnofret. The conspirators were successful in killing Ramesses III, but Pentawere was killed in battle by Ramesses's other son, Merenptah.