Leaked registry data indicates that Vladimir Putin likely has a fourth grandchild. His youngest daughter, Katerina Tikhonova, reportedly gave birth to a son named Adrian in August 2025. https://meduza.io/en/news/2026/11/12/leaked-records-suggest-vladimir-putin-likely-has-a-fourth-grandchild-the-boy-s-birth-was-not-officially-registered-for-nearly-a-year