Har-sa-iset

Horus is one of the most ancient deities of the Ancient Egyptian religion, who appears in his earliest form in late Predynastic Egypt. Represented as a falcon, his name is believed to mean 'the high' or 'the far off' and his earliest connections are to the sky and kingship, derived from being the son of Hathor or Nut, as a sun god. Because the cult of Horus survived for the whole of the Ancient Egyptian civilization that extended for ten thousand years, he gained many forms and associations.
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[Egyptian] A form of the god Horus, specifically as the son of Isis. In the Osiris-myth he was born from the impregnation of Isis by her deceased husband Osiris. Isis protects Horus as a child against many dangers. The Pyramid texts state that Har-sa-iset performed the rite of the 'opening of the mouth' on the dead pharaoh, ensuring that the pharaoh would have the use of his faculties in the afterlife. Har-sa-iset is also considered to be a guardian deity.