A Quick Guide to the Many Families of "House of the Dragon"

House Westerling, from the Westerlands, also appears in "House of the Dragon." Ser Harrold Westerling serves as the Lord Commander of King Viserys's Kingsguard. He is killed shortly after Aegon is declared the king in episode nine. Other members of the Westerling family will become embroiled in the war known as the Dance of Dragons.

In George R. R. Martin's novels, Robb Stark marries Jeyne Westerling, but the character's name and backstory were changed for "Game of Thrones."