Principality of Lower Pannonia under KocelKocel ( 861-876) was a ruler of the Principality of Lower Pannonia. He was an East Frankish vassal titled comes (count), and is believed to have ruled between 861 or 864 and 876 from Mosapurc, also known in Old-Slavonic as Blatnograd (modern Zalavár near Lake Balaton).