In fact, I do not know is that just a rumor or not. Chebotareva relate a lot of rumors in her diary. About prince Konstantin and Olga, I read different entries. One citation in russian, as you can use a translator: "v lazarete Mavrikevna razotkrovenichilas, chto oseniu Konst. Konst. usilenno uhazhival. Olga emu seriozno nravilas, no cherez Narychkinu "nam dali poniat, shto on slichkom molod..."".
So, I am asking all of you, is there any serious information.