Mythology does not give a clear answer.
Demeter's daughter was Persephone, who was abducted by Hades and taken to the underworld, prompting Demeter's search for her and resulting in the changing of the seasons.
To go in search of her lost daughter, Persephone.
Hades (Demeter's Brother) sees her Demeter's daughter, Persephone and he abducts her and marries her. Demeter doesnt know where her daughter has gone and searches for her. Thus during her intense search she neglects her duties as goddess of the harvest.
Demeter is well known for going in seach for her daughter Persephone - and later going wandering in search for her - which can be called a quest.
By Zeus, Demeter's daughter is Persephone (Kore).By Poseidon, Demeter's daughter is Despoine.By Carmanor, Demeter's daughter is Khrysothemis.Artemis is also mentioned as a daughter of Demeter in some cases: (Aeschylus, Pausanias 8.37.3).
It is a ancient reasoning for the season of summer/spring and winter; that is if you refer to the myth of Demeter going in search of her daughter, Persephone. If not, please rephrase your question.
Because Persephone was Demeter's only daughter
Yes, Demeter is the daughter of Cronus and Rhea
Demeter's most famous daughter is Persephone whom she had with Zeus. Demeter has other daughters, Despoine whose father is Poseidon and Chrysothemis who is the daughter of Karmano. Artemis is also called a daughter of Demeter and associated with Despoine.
The main conflict in the myth of Demeter involves her grief and anger after her daughter Persephone is abducted by Hades. Demeter's search for her daughter leads to her withholding her powers of fertility, causing a devastating impact on the earth's crops and leading to a struggle between her and the gods.
No, Demeter never married.No, but she had a daughter by Zeus
Demeter was a daughter of Cronos and Rhea.