Cawley, Charles, & Foundation for Medieval Genealogy, 'Silesia: Chapter 4 - DUKE...

Full citation

Cawley, Charles, & Foundation for Medieval Genealogy, 'Silesia: Chapter 4 - DUKES of BRESLAU [WROCŁAW and LOWER SILESIA 1163-1278 (PIAST)'] in Medieval Lands: A prosopography of medieval European noble and royal families, http://fmg.ac/Projects/MedLands/index.htm : viewed 13 August 2016.

Details