I think they have miss identified the Prince. Carol II was born around that time, 1893, IRC. The picture is of Carol I, and I don’t know when the title was changed from “prince of Romania” (principe) - the ruler of Romania - to “king of Romania”.
A picture I haven’t seen before. I have to look up the other people, they are, probably, political figures.
I want to take the time to thank you, Cyril, for your research work, you are a treasure of the board!
LE I have to take back my words. Carol II is in the middle of the picture, I have taken the person to the right to be Carol I.
They have only miss dated the picture.