Nyx had many children:
From Erebus:
- Hemera (Day) In other myths she is sister of Nyx.
- Aether (Upper sky)
- Epiphron (Prudence)
- Thanatos (Non-violent death)
- Hypnos (The sleep)
From Partenogenesis (by herself):
- Hesperides (Nymphs of sunset, in other myths are daugthers of Atlas)
- Momo (Satire)
- The Moirae (Fates)
- Apate (Deceit)
- Ponos (Hard labor)
- Moros (Doom)
- Oneroi (the thousand personifications of the dreams)
- Keres (fates of death)
- Charon (Ferryman of Hades )
- Philotes (Love and friendship)
- Geras (Old age)
- Nemesis (Retribution)
- Eris (Discord, though most say she is the daughter of Zeus and Hera)
- Oizys (Distress)
- Styx (Boundary between life and death. In other myths its daughter of Oceanus and Tethys).
From Cerberus:
By Ouranous:
Lyssa (madness)
copied from camp half-blood wiki