The Byrons were communicants of Saint John's Church.

Entity and relation annotations:
id: 0
type: entity
value: text: Saint John's Church
labels: <Organization>
id: 1
type: entity
value: text: The Byrons
labels: <Organization>
id: 2
type: entity
value: text: communicants of Saint John's Church
labels: <Organization>
type: relation
to_id: 0
labels: Organization:is_subordinate_to:Organization
from_id: 2