Odin Borson (Anthony Hopkins): Alive
Known as the 'All-Father' and is the current king of Asgard, Thor's father and Loki's adopted father. He is the Son of Bor.
Frigga (Rene Russo): Alive
Wife of Odin, step-mother of Thor and adoptive mother of Loki.
Laufey (Colm Feore): Deceased
King of the Frost Giants (Jotun), biological father of Loki. Was murdered by Loki who lured him to Asgard by telling Laufey that Odin was vulnerable during his Odinsleep.
Farbauti (will eventually add a proper face): Alive
Loki's biological mother, widow of Laufey.
Sigyn (Amanda Seyfried): Alive
Goddess of Fidelity. Former wife of Loki. He currently denies their union, seeing as he has died since then. They were chained together for a time as punishment for one of Loki's tricks.
Hela (India Eisley): Alive
Goddess of death. She rules over the realm of the dead and claims the souls of those who do not die as heroes (those who do go to Valhalla). She is the child of Loki and the sorceress giantess Angerboda.
Fenris: Alive
A child of Loki and Angerboda. A giant wolf who once bit of Tyr's hand. During Ragnarok it is said he will devour Odin. Even in his wolf form he is capable of speech.
Jormungand: Alive
Son of Loki and Angerboda. He was born the size of a small snake and was banished to Earth/Midgard's oceans by Odin because he saw the serpent as a danger to Asgard. Jormungand is now know as the Midgard serpent and is rumoured to be almost large enough to circle the world. It is prophesised that during Ragnarok he will rise thrashing from the ocean and will be defeated by Thor, who will then die from the serpent's poison.
Sleipnir: Alive
A giant 8 legged hose, who is the child of Loki and Svadilfari. Loki had hastily agreed to let Hrimthurs (A Frost Giant) re-build the wall around Asgard, only he had to do it in six months. The Frost Giant had only asked to used his gray stallion, Svadilfari. Right as the last brick was about to be placed, Loki transformed into a beautiful white mare, and lured off Svadilfari. Loki later gave birth to Sleipnir, the eight-legged steed of Odin, the offspring of Svadilfari and Loki when "he" was the beautiful white mare (making Loki the mother).
Angerboda: Deceased
A giantess who is also a powerful sorcerer and like Loki is able to shapeshift. They were never married but had a couple of affairs.