Thanks for more information and the portrait. I think Ekaterina looks very Romanov, and a bit like Peter the Great's daughter, Anna? What do you think? They have the same dark hair and eyes, unless the portraits are simply from the same era, and perhaps the same painter? Some did call Anna frivolous, and she was in some ways. But it seems from your information, Yseult, that she was the best of the sisters. It isn't that surprising that she was.