Did dionysus have any brothers sisters parents or children?

Yes.

The parents of Dionysus are usually told to be Zeus and Semele; he was the only child of that union, but he did have brothers and sisters from Zeus, including the most well known Olympians Apollo, Artemis, Hermes, and sometimes Aphrodite. His wife was Ariadne and his children by her as Oenopion, Thoas, Staphylus, Latromis, Euanthes, and Tauropolis. Dionysus had other children and lovers.