Bolesław The First, aka Bolesław The Great.
Thanks so much for your question! Don't forget to rate and give me the brainliest answer! Then, I can help you with all your problems! ^-^ ~
"IT IS BETTER THAT A FEW SHOULD PERISH THAN THAT OF THE WHOLE CITY" I hope i helped :-)
C is typically not something someone might ask about a source.
Hope that helps! :)