This "Lady of Sais" created the demon Apophis by spitting into the primordial waters, and another son of this deity was also associated with those waters.
Inscriptions in a temple at Esna describe this deity as being two-thirds male, one-third female, and as having created the world, after first taking the form of a perch and then saying a single word seven times. Plutarch attributes to a statue of this goddess, whom he says is identified with Isis, the inscription "I am all that has been, is, and will be, and no mortal has unraveled by web"; according to Herodotos, this goddess's temple housed a cow, cloaked in a purple robe with the sun between its horns and holding the body of the daughter of Mycerinus. In "The Contendings of Horus and Seth", this goddess recommended that Horus be given the throne and that Set be awarded Ra's daughters, Anat and Astarte, as wives in exchange. This "Lady of Sais" created the demon Apophis by spitting into the primordial waters, and another son of this deity was also associated with those waters. For 10 points, the Book of the Dead identifies Sobek as the son of what creatrix goddess? 
Inscriptions in a temple at Esna describe this deity as being two-thirds male, one-third female, and as having created the world, after first taking the form of a perch and then saying a single word seven times.
Neith [or Net; prompt on "Athena"] 