Cibrian and Glanville have two sons, Mason and Jake.

Entity and relation annotations:
id: 0
type: entity
value: text: Cibrian
labels: <Person>
id: 1
type: entity
value: text: Glanville
labels: <Person>
id: 2
type: entity
value: text: Mason
labels: <Person>
id: 3
type: entity
value: text: Jake
labels: <Person>
type: relation
to_id: 1
labels: Person:family:Person
from_id: 0
type: relation
to_id: 2
labels: Person:family:Person
from_id: 0
type: relation
to_id: 3
labels: Person:family:Person
from_id: 0
type: relation
to_id: 2
labels: Person:family:Person
from_id: 1
type: relation
to_id: 3
labels: Person:family:Person
from_id: 1
type: relation
to_id: 3
labels: Person:family:Person
from_id: 2