DNA testing by multiple international laboratories such as the Armed Forces DNA Identification Laboratory and Innsbruck Medical University confirmed that the remains belong to the Tsarevich Alexei and to one of his sisters, proving conclusively that all family members, including Anastasia, died in 1918.
Uji DNA oleh beberapa laboratorium internasional seperti Laboratorium Identifikasi DNA Angkatan Bersenjata Amerika Serikat dan Universitas Medika Innsbruck mengonfirmasi bahwa sisa-sisa jenazah itu milik Tsarevich Aleksei dan salah satu adiknya, dibuktikan secara meyakinkan bahwa seluruh anggota keluarga kerajaan, termasuk Anastasia, tewas pada 1918.