House of the Dragon

Lord Laris Strong "Clubfoot" (Master of Whisperers) is Lionel's youngest son, a cunning schemer and head of a spy network who supplied Alicent with secrets.

Grand Maester Orvail (Head of Scholars and Healers) replaced Maester Mellos and was responsible for treating the king and keeping the chronicles.

Lord Jasper Wylde "Ironstaff" (Master of Laws) - replaced Lyonel Strong, a strict lawyer who supported the coronation of Aegon II.

Lord Lyman Beesbury (Master of Coin) is the elderly treasurer and the only council member to openly oppose the Greens' usurpation of power.

Ser Criston Cole (Lord Commander of the Kingsguard) is Rhaenyra's former champion, who became her bitter enemy and Alicent's staunch ally.

Lionel Strong (Master of Laws / later Hand) is a wise and honest advisor who succeeded Otto as Hand before his tragic death.

Ser Otto Hightower (Hand of the King) is Alicent's father, a master political manipulator who pushed his family's interests to the throne.

Alicent Hightower is Queen Consort of Westeros (the second wife of King Viserys I) and the leader of the Green faction in House of the Dragon. She is the daughter of Otto Hightower's Hand and the former best friend of Princess Rhaenyra, whose claim to the throne she challenged for the sake of her son, Aegon II.

Viserys II is the youngest son of Rhaenyra Targaryen and Daemon Targaryen.

Aegon III is the youngest son of Rhaenyra Targaryen and Daemon Targaryen.

Rhaena Targaryen is the youngest daughter of Daemon and Laena Velaryon.

Baela Targaryen is the eldest daughter of Daemon and Laena Velaryon, and a ward of Driftmark.

Lucerys (Luke) Velaryon is Rhaenyra's second son, who died early in the conflict at the hands of Aemond.

Jacaerys (Jake) Velaryon is the eldest son of Rhaenyra and Laenor (actually from Harwin Strong), heir to the throne.

Alin of Hall is Addam's younger brother, a sailor in the service of the Velaryons.

Addam of Hall is the illegitimate son of Corlis, who managed to ride the dragon Sea Mist.

Waymond Velaryon is Corlys's younger brother and a disputed claim to Driftmark.

Laena Velaryon is the daughter of Corlys and Rhaenys, and the second wife of Daemon Targaryen. Waymond Velaryon is Corlys's younger brother, who contested the rights to Driftmark.

Laenor Velaryon is the son of Corlys and Rhaenys, the first (official) husband of Princess Rhaenyra.

Rhaenys Targaryen is the wife of Corlys, cousin of King Viserys, and known as the "Almost Queen".

Corlys Velaryon - head of the house, a legendary sailor nicknamed "the Sea Serpent" and the richest man in Westeros (Master of the ship and)

Daeron Targaryen is the youngest son of Viserys and Alicent, who resides in Oldtown.

Helaena Targaryen is the daughter of Viserys, sister and wife of King Aegon II, who possesses the gift of prophecy.

Aemond Targaryen is the second son of Viserys and Alicent, a formidable rider of the enormous dragon Vhagar.

Aegon II Targaryen is the eldest son of Viserys by Alicent Hightower, crowned by the Green faction.

Rhaenyra Targaryen is the eldest daughter of Viserys, the leader of the Black faction, and the declared heir to the Iron Throne.

Daemon Targaryen is Viserys's younger brother, a charismatic warrior, and later the husband of his niece Rhaenyra.

Viserys I Targaryen is the fifth king of the Seven Kingdoms, whose decision to name his daughter as his heir led to civil war.