Nephthys is the Egyptian Goddess of the Dead. Her name means "Mistress of the House" in the Egyptian language. She has also been called the "Friend of the Dead". Nephthys is the shadow of her sister Isis and rules over the darkness and the secrets of death. She is the protector of souls and the queen of the Underworld.
Isis ( Aset in Egyptian) was originally a Goddess from Nubia and was adopted into Egyptian belief. Her name literally means female of throne, Queen of the throne. Wife and sister to Asar ( Osiris) and mother of Horus.