osiris4dOsiris, lord of death, with crown atef and green body. In Egyptian mythology, Osiris is the god of life, death, the flooding of the Nile, and the afterlife.He was the brother and husband ofOsiris 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 Asir