Doubravka of Bohemia at the cost of breaking their marriage and with it the Polish-Bohemian Alliance). In the end, she finally obtained the conversion of Mieszko I and with him, of all Poland. In turn, the 12th century chronicler Gallus Anonymus says that Doubravka came to Poland surrounded by secular and religious dignitaries. She agreed to marry Mieszko I providing that he was baptized. The Polish ruler accepted, and only then was able to marry the Bohemian princess. However, modern historians allege that the baptism of Mieszko I was dictated by political benefits and should not be attributed to any action of Doubravka,
Mieszko I, Duke of Cieszyn The Obituary of the Church of St. Vincent in Wrocław showed the existence of a certain "Grzymisława, Duchess of Opole" ("Grimizlaua ducissa Opuliensis") who was buried there around 13 September 1286. Her parentage is also unknown, but her name suggests a Russian origin, probably member of the Rurikids. Her title suggests that she may have been the wife of Mieszko I or the first wife of Bolko I (Mieszko I's brother), or maybe a completely different person. Also, the exact date of their marriage was uncertain, but after a further reconstructions of their children's birth dates, was placed between 1275