A (tragic) character from the backstory of the manga and anime One Piece.
She was a former pirate and the wife of the infamous pirate Rocks D. Xebec. Eris gave birth to their son Marshall D. Teach, who would follow the family tradition into piracy and infamy.
Some time after her son's birth, during the God Valley Incident, her husband was demonically possessed by Nerona Imu and almost killed her and Teach. Bartholomew Kuma saved them both, but she died soon after, leaving her son an orphan