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 of Poland socially connected primarily by tribal structures. It appears that the elders cooperating with the Duke first felt the need for super-tribal unity, as expansion allowed them to broaden their influence. Mieszko and his people were described around 966 by Abraham ben Jacob, a Sephardi Jewish traveller, who at that time visited the Prague court of Duke Boleslav I the Cruel. Abraham presented Mieszko I as one of the four Slavic "kings", reigning over a vast "northern" area, with a highly regarded and substantial military force at his disposal. More precise contemporary records regarding Mieszko were compiled by Widukind of Corvey,