Olga and Tatiana as babies in summer 1898 with footman Alexei Trupp, who was later murdered with them at Ekaterinburg...

Source:

THE IMPERIAL RUSSIAN SOCIETY on Facebook

Christmas letter to Olga from Anastasia, year 1912 or 1913

Source:

Kler Chernikina at lastromanovs on VK

https://vk.com/lastromanovs?w=wall-56510987_52242

The letter:

Поздравляю тебя милая и дорогая моя Ольга! Надеюсь, что ты будешь веселиться на Елке. Крепко целую. Любящая тебя твоя

Анастасия

English translation (my own):

I congratulate you my sweet and dear Olga! I hope that you will have fun at the Christmas tree. A big kisss. Loving you is your

Anastasia

Above: Olga and Anastasia.