Yes, Eubouleus son of Demeter and Karmanor had a daughter named Karme.
Karme had by Zeus a daughter named Britomartis.
Demeter was also mother to Persephone who had with Zeus a son named Zagreus, and a daughter named Melinoe.
Makaria and the Eumenides/Erinyes were also called daughters of Hades and Persephone.
Khrysothemis another daughter of Karmanor and Demeter had daughters Parthenos, Hemithea and Rhoio with Staphylos, son of Dionysus; Basilos was the son of Lyrkos and Hemithea.
GAEA
Demeter and Persephone were both goddesses of the earth. Gaia (Earth) through her daughter Rhea, who was the mother of Demeter and grandmother of Persephone.
The father and mother of Demeter are the siblings Cronus and Rhea, thus her grandfather and grandmother on both sides of her parents are Ouranos and Gaea.
No Hermes never married Demeter. Nor did they ever produce offspring together.
no
Yes, Demeter's mother was Rhea, the sister and wife of Cronus.
No, she immortal and ageless.
They were both deities, Ceres was simply the Roman incarnation of Demeter.
no they were not because Demeter love her work and was not able to do any think but care for her daughter and the land,
When Persephone was kidnapped, when she journeyed to find her Demeter experienced all sorts of unpleasant emotions.
Demeter was born divine, just like her siblings Hestia, Hera, Hades, Poseidon and Zeus.
first of all metaneira is suspicious because she dosent know anything about demeter.