Vintage photos of the Romanovs at the 1903 Costume Ball
thevintagenews.com
thevintagenews.com
She was the granddaughter of https://en.wikipedia.org/wiki/Alexander_Trepov - last prime minister under the czar - just before Kerensky.
She died of the Spanish Flu in 1918.
The princess's daughter (my grandmother) married Norman Armour
Some of the people in the article survived the era. One notably died in Manhattan 1993 after settling down in the US and marrying a woman from Buffalo.
See: The Princes in the Tower
https://en.m.wikipedia.org/wiki/Genepil#/media/File%3AMongol...