The nephridium of Nephthys scolopendroides.
In those days Anubis was considered to be son of Osiris by Nephthys; earlier perhaps he was son of Re, the sun-god.
(d) Among the later religious books one or two deserve a special mention, such as The Overthrowing of Apophis, the serpent enemy of the sun-god; The Lamentations of Isis and Nephthys over their murdered brother Osiris; The Book of Breathings, a favorite book among the later Theban priests.
The more ancient account survived, however, he myth that Osiris, Horus, Seth, Isis and Nephthys (a less who plays but a minor part in the Osiris cycle) were all Iren of the earth-god Keb and the sky-goddess Nut, born on five consecutive days added on at the end of the year (the flied epagomenal days).
NEPHTHYS, the sister of Osiris and wife of Seth, daughter of Keb and Nut, plays a considerable rfile in the Osiris story.
Isis and Nephthys are often mentioned together as protectresses of the dead.