Apollo is half brother to Dionysus, both being sons of Zeus.
Hephaestus had a few friends... Apollo, Dionysus, and his father Zuess. He had a lot of enemys to... his wife Aphrodite, his brother Ares, his mother Hara, and so on...
Dionysus
The relationship between Janus and the Apollo Dionysus opposition is purely a work relationship.
No,actually Dionysus is the youngest god on Olympus.
Artemis, Athena, Dionysus
Half-brother
He was murdered by devotees of the God Dionysus after he refused to worship Dionysus and opted to worship Apollo instead.
Hermes, Dionysus, Ares
No,that's Apollo and Helios.
Any son or daughter of Zeus. Ares Hephaestus Hebe Athena Artemis Apollo Dionysus The Muses/The Fates/The Charities/Aphrodite (by some accounts)
eros , apollo hestia and persephone and dionysus
Apollo and Dionysus