He was the son of Armand Lagrange, a merchant, and his wife Marianne Baruit.

Entity and relation annotations:
id: 0
type: entity
value: text: Armand Lagrange
labels: <Person>
id: 1
type: entity
value: text: Marianne Baruit
labels: <Person>
id: 2
type: entity
value: text: merchant
labels: <Title>
type: relation
to_id: 1
labels: Person:family:Person
from_id: 0
type: relation
to_id: 2
labels: Person:holds_title:Title
from_id: 0