Lady Carla was named for Carla Powell, the socialite wife of Charles Powell.

Entity and relation annotations:
id: 0
type: entity
value: text: Charles Powell
labels: <Person>
id: 1
type: entity
value: text: Carla Powell
labels: <Person>
id: 2
type: entity
value: text: Lady Carla
labels: <Person>
id: 3
type: entity
value: text: the socialite wife
labels: <Title>
type: relation
to_id: 0
labels: Person:family:Person
from_id: 1
type: relation
to_id: 3
labels: Person:holds_title:Title
from_id: 0