This article attempts to investigate the fate of nuns from Dominican monasteries that were under the jurisdiction of the Ruthenian Provincial of the Dominicans. It has not been an easy task, mainly due to the lack of sufficient material. From the scraps that have survived, however, we have managed to present, in a much abbreviated and probably not without shortcomings, the history of four convents that for more than two hundred years shaped the monastic world in a female version with a Polish, aristocratic, frontier face, which has now completely disappeared.