When was the maternal uncle of Popiel I died who was the notable author of Latin prose?
Popiel I Popiel I was a legendary ruler of Poland, member of the Popielids dynasty. According to the legends reported by Wincenty Kadłubek in his "Chronica seu originale regum et principum Poloniae", he was the son of Leszko III and Julia, the sister of Julius Caesar. Father of Popiel II.
Francesco Moricotti Prignani Francesco Moricotti Prignani (Prignano) (died 1394) was an Italian bishop and Cardinal. A cardinal-nephew, he was created Cardinal in 1378 by his uncle Pope Urban VI.