Not to many.
One of them was Persephone who was captured by Hades, but that's a different story entirely.
No. Demeter is the daughter of Kronos and Rhea. She and Zeus are siblings.
persephone
Poseidon had many kids. He had children with the goddess Demeter. and also i believe he had kid/kids with Aphrodite. there is more thats just what i know off the top of my head.
None, as Demeter never married.
Demeter's childhood was short lived. When she was a kid she was swallowed by her dad, Kronos. When Zeus poisoned Kronos and she came back up she was a fully grown woman.
demeter has only one child persephone
None; Demeter had consorts and lovers but no husbands.
Demeter had one daughter with Zeus: Persephone.
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, but she had many affairs.
Demeter had five siblings, Hestia, Hera, Poseidon, Hades, and Zeus.
Demeter had two daughters, the most famous of which was Persephone. The other was calle Despoina.