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 regarded as his mother and sometimes as his wife. Horus served many functions, most notably being a god of kingship and the sky. Horus is recorded in Egyptian hieroglyphs as "ḥr.w" "Falcon"; the pronunciation has been reconstructed as . Additional meanings are thought to have been "the distant one" or "one who is above, over". As the language changed over time, it appeared in Coptic varieties variously as or and was adopted into ancient Greek as "Hōros" (pronounced at the time as ). It also survives in Late Egyptian and Coptic theophoric name forms such as Siese "son of Isis"