Demeter is a ageless and immortal Greek goddess, she never died.
Yes the children of Karmanor (Eubouleus and Khrysothemis) are usually thought to be from Demeter as no other mother is credited to their birth.
persphene
demeters downfall was her daugter pereshpohne was taken and demeter was shearchig so demters crops were faling
Ceres.
Grains
Demeter's son is Persephone, who is also known as Kore. She is the goddess of the harvest and agriculture in Greek mythology.
bla bla bla
Yes yes he was.
wheat, crops
Goddess Of Nature
Zues, Posiedon, and Persephone,
Cronus and rhea