Elizaveta Nikolaevna "Liza" Ersberg was a German-Russian parlormaid who served in the Russian Imperial Household. The daughter of a stoker employed by Emperor Alexander III, she was hired by Empress Maria Feodorovna as a parlormaid at the Alexander Palace in 1898. She used her post to obtain a position at court for her friend Anna Demidova, who became a lady-in-waiting to Empress Alexandra Feodorovna.

Anna Stepanovna Demidova was a lady-in-waiting in the service of Empress Alexandra of Russia. She stayed with the Romanov family when they were arrested, and was executed together with Alexandra and the Romanov family on 17 July 1918.