Ramesses the Ninth was probably a grandson of Ramesses the Third. He ruled for nineteen years approximately, died at the age of 50 and was succeeded by Ramesses the Tenth.

He was buried in tomb KV 6 in the Valley of the Kings, his body was removed during the Twenty-First Dynasty and was discovered in the Deir el-Bahari cachette, lying in one of the coffins of Nesi-Khonsu, wife of the high priest of Amun, Pennedjem the Second.

The body had suffered considerable damage especially to the nose, which is missing; most of the skin is badly cracked.