Slavic Goddess Morana associated with death, winter and nightmares. The tradition of burning or drowning an dummy of Morana to celebrate the end of winter is a folk custom that survives in Poland, Slovakia and the Czech Republic. This ritual represents the end of the dark days of winter, the victory over death, and the welcoming of the spring rebirth.
Mania is the Roman Goddess of the Dead. Not to be confused with the Greek Goddess of Madness (also named Mania), she is called the mother of the Manes, the souls of the dead, who became her children when they descended to the Underworld. She was also later said to be the mother of the Lares, the household Gods. Mania rules over the Underworld along with Mantus, God of the Dead. Her image was hung over doors to frighten away evil spirits.
Hera is the Greek goddess of familial love, marriage, motherhood, and women. She is the elder sister and wife of Zeus, therefore making her Queen of Olympus. She is one of the daughters of Rhea and Kronos.
... Nott - Thor's Grandmother ... She is the mother of Dagr, the day. She was given a chariot to travel the sky and make night and day.
Eris - Goddess of Discord by LorelainW on deviantART/But the other is the elder daughter of dark Night (Nyx), and the son of Cronus who sits above and dwells in the aether, set her in the roots of the earth: and she is far kinder to men. She stirs up even the shiftless to toil; for a man grows eager to work when he considers his neighbour, a rich man who hastens to plough and plant and put his house in good order; and neighbour vies with his neighbour as he hurries after wealth.
Hellenic Mythology - Eris, Goddess of Discord by *EmanuellaKozas on deviantART