Horus accounts have the penis of Osiris surviving). After becoming pregnant with Horus, Isis fled to the Nile Delta marshlands to hide from her brother Set, who jealously killed Osiris and who she knew would want to kill their son. There Isis bore a divine son, Horus. Since Horus was said to be the sky, he was considered to also contain the sun and moon. It became said that the sun was his right eye and the moon his left, and that they traversed the sky when he, a falcon, flew across it. Later, the reason that the moon was not
Horus and Harsiese "Horus, Son of Isis". Nekheny may have been another falcon god worshipped at Nekhen, city of the falcon, with whom Horus was identified from early on. Horus may be shown as a falcon on the Narmer Palette, dating from about the 31st century BC. In early Egypt, Horus was the brother of Isis, Osiris, Set and Nephthys. As different cults formed, he became the son of Isis and Osiris. Isis remained the sister of Osiris, Set and Nephthys. The "Pyramid Texts" (c. 2400–2300 BC) describe the nature of the pharaoh in different characters as both Horus and Osiris.