Olga and Tatiana with their first cousin Princess Elisabeth of Hesse and by Rhine, the daughter of their mother's brother, Grand Duke Ernst. Sadly, Princess Elisabeth died from typhoid when she was only
Alexandra Feodorovna (Alix of Hesse and by Rhine), Empress consort of Emperor Nicholas II, wearing Elizabeth Alexeievna's Tiara, Russia diamonds). Empress Elizabeth Alexeievna (Louise of Baden) was Empress consort of Emperor Alexander I.
Grand Duchesses Maria and Anastasia, the two youngest daughters of Tsar Nicholas ll and Tsarina Alexandra, aka the little pair. Their two oldest daughters, Olga and Tatiana, were known as the big pair.