20) King George V. Some of their Royal Relatives are alive today, do we count them? For example, Princes William and Harry.
For simplicity's sake, I'm going to stick with the ones you'd find in photos together with the Romanovs.
Even so, that's a tough one! First instinct = Queen Victoria. But I also find Princess Thyra and King Edward VII very interesting, and Queen Marie of Romania. Ach, I can't decide!