His mother Doctor Eliza Pasternak was a Russian Jew.

Entity and relation annotations:
id: 0
type: entity
value: text: Eliza Pasternak
labels: <Person>
id: 1
type: entity
value: text: Russian Jew
labels: <Organization>
id: 2
type: entity
value: text: Doctor
labels: <Title>
type: relation
to_id: 1
labels: Person:belongs_to_NORP:Organization
from_id: 0
type: relation
to_id: 2
labels: Person:holds_title:Title
from_id: 0