In 1986. Janusz Jasinski gave print of diary of Franiszek Lieder under the title „Warmia my young years”, in which, among others - in connection with the work of his father Jan Lieder as a teacher in Biesowo - appears silhouette of his successor in the local school, Józef Jędrycki, derived from Biskupiec. The figure of Jędrycki gave rise to the presentation of relationships of Jędrycki family from Biskupiec (persons with this name we meet in other cities of Warmia). After years - through access to Warmia vital records, brought in 2002 from Regensburg to the Archives of the Archdiocese of Warmia in Olsztyn - you can confront the arguments of the diarist and publisher with the genealogical information contained in these valuable sources. An important data complement to the article topic from the oldest surviving book of baptisms and the oldest books of the dead from parish Biesowo stored in Sächsisches Staatsarchiv. Staatsarchiv Leipzig (this information was obtained thanks to the kindness and courtesy of the Leipzig archivist Dr. Thoralf Handke, whom the author would like to thank for understanding and the effort to carry out the query source), and the oldest book of the parish Biesowo marriages and other vital records, stored in the Archives of the Archdiocese of Warmia in Olsztyn.