I'm curious about why Miko is living with her aunt, since it's implied her parents are still around, but I guess that question will never be answered.
Home sweet home, Alabama.
Alabama doesn't have a monopoly on incest. House of the Dragon features an uncle-niece marriage and even a marriage between two full-blood siblings. Cersei wasn't exaggerating when she mentioned that the Targaryens wed brother to sister to keep the bloodlines pure after Ned confronted her about her relationship with her twin brother Jaime.