She married Vladimir Petrov, and came to prominence with him during the Petrov Affair.

Entity and relation annotations:
id: 0
type: entity
value: text: Vladimir Petrov
labels: <Person>
id: 1
type: entity
value: text: during the Petrov Affair
labels: <Date>
id: 2
type: entity
value: text: the Petrov Affair
labels: <Event>
id: 3
type: entity
value: text: Petrov
labels: <Person>