Grand Duchess Anastasia Nikolaevna of Russia
Gilliard remained in Siberia after the murders of the family, for a time assisting White Movement investigator Nicholas Sokolov. He married Alexandra "Shura" Tegleva, who had been a nurse to Grand Duchess Anastasia Nikolaevna of Russia, in 1919. In Siberia, he was instrumental in unmasking an impostor who claimed to be the Tsarevich Alexei.