Strangely enough yes, Demeter was related to Zeus, along with the other main gods e.g. Hera. Hades, Poseidon and Hestia. They were brothers and sisters. But this didn't stop Zeus from having a quick affair with Demeter, which led to the creation of Persephone
Demeter was the daughter of Rhea and Cronus, the sister of Hera and Hestia, Zeus, Poseidon, and Hades. Her most famous child was Persephone.
Zeus is the brother of Demeter
Demeter is Zeus' older sister
Demeter had one daughter with Zeus: Persephone.
Persephone's parents are Zeus and Demeter.
Yes. Hades is Zeus' older brother.
Zeus and Demeter were not lovers. Demeter bore a daughter by Zeus named Persephone (Kore), however Zeus married his other sister, Hera. (Note that Zeus mated with many other goddesses and mortals, not just his lover and Demeter)
No. Demeter is the daughter of Kronos and Rhea. She and Zeus are siblings.
Demeter and Zeus did not marry, but did have the child Persephone/Kore.
Yes, Demeter and Zeus were lovers. They produced a daughter Persephone.
Zeus has three sisters: Hera (who is also Zeus' wife), Hestia and Demeter.
Demeter and Hestia were her sisters. She also had three brothers Zeus, Poseidon, and Hades.