indicating her death is from 3 May 1257. As far as the day and month, Nekrolog strzeleński reported that she died on 21 February, but, according to Nekrologu...

only information about the daughters of Mieszko and Ludmila is found in Nekrolog czarnowąski. Under the dates of January 14, May 9, and May 25, the deaths...

Royalty Bearing Gifts". Violette Field Threads. Retrieved 2017-07-20. "Nekrolog für Fritz Gegauf". Thurgauer Jahrbuch (in German). Retrieved 2024-10-21...