She survived the Russian Revolution and married Pierre Gilliard, a Swiss academic who served with her in the Imperial Household as the children's French tutor.
Tegleva worked with her husband to investigate and debunk the claims made by Anna Anderson, a Romanov impostor who pretended to be Grand Duchess Anastasia Nikolaevna.
[7] In 1904, Empress Alexandra gave Tegleva a gold pocket watch made by Swiss manufacturer Paul Buhre as a Christmas present.
[8] Following the abdication of Nicholas II during the February Revolution, Tegleva went with the imperial family into exile in Western Siberia and lived with them under house arrest at the Governor's Mansion in Tobolsk.
[15][16] Tegleva was detained with Pierre Gilliard, Charles Sydney Gibbes, and Baroness Sophie Karlovna von Buxhoeveden in a separate residence from the imperial family in Yekaterinburg.
[7] Tegleva worked with her husband to investigate and debunk the claims made by Anna Anderson, a Romanov impostor who pretended to be Grand Duchess Anastasia Nikolaevna.
[26] She is also a character in the play The Anastasia Trials in the Court of Women: An Interactive Comedy in Two Acts, written by Carolyn Gage and Don Nigro.