According to the Chronicle of Greater Poland (Kronika wielkopolska), Przemysł II was named after his father, who had died four months before his birth, on 4 June 1257.
Menurut Kronik wielkopolska (Kronika wielkopolska), Przemysł II dinamai seperti ayahandanya, yang meninggal empat bulan sebelum kelahirannya, pada tanggal 4 Juni 1257.