Elder son of Geb and Nout, Osiris is the heir of the throne. Seth, jealous person, kills him, dismembers him and scatters him in quite Egypt. Isis and Nephthys find, collect and reconstitute the body. As directed by Thot, he is mummified and embalmed with the help of Anubis and Horus the ancient. Both sisters are transformed into birds and return him to the life by breathing into him with the wings fresh air in the mouth and the nostrils. At the same time, Isis conceives with Osiris a child " Horus the Young person ".