The Pharaoh's wives played an important role both in public and private life, and would be a source of political and religious power.
If a queen succeeded in producing an heir that inherited the throne, she would reach a position of great honour as King's Mother and may be able to rule Egypt on behalf of her son as regent if he was underage.
The legendary Queen Nitocris was supposedly a Pharaoh at the end of the Sixth Dynasty, but no archeological evidence supports her existence.
Women who were dating their regnal years in royal protocols (alongside their co–rulers or independently) and thus were unquestionable Pharaohs were:[5] Evidence of co–rulership in early dynasty is ambiguous.
While they were not officially pharaohs, the High Priests of Amun at Thebes were the de facto rulers of Upper Egypt during the Twenty–first dynasty, writing their names in cartouches and being buried in royal tombs.
The Persian kings of Egypt generally ruled the country from afar and thus their wives played little to no part in Egyptian life and culture.