osiris4dOsiris shown in typical mummy wrappings. Based on New Kingdom tomb paintings. ( CC BY SA 4.0) A Son of Gods – The Beginning of the Osiris Myth. The name ‘Osiris’ is the Greek form of the Egyptian name AsirOsiris. Osiris, god of the deceased, was the son and oldest child of Geb, the Earth deity and Nut, the sky goddess. His wife and sister was Isis, goddess of motherhood, magic, fertility, death,