Whakaotihia te rerenga e whai ake nei: I tiimata te whakapapa ki a Otakar I, akene he tama, he hunaonga ranei na Aribo (c.850909), margrave i Pannonia i raro i a Kingi Arnulf. Ko Otakar te Kaute o Steyr i te Traungau, i te rohe o Upper Austria i tenei ra. Ka mate pea ia me Margrave Luitpold i te 907
Ko te Pakanga o Pressburg. Ko tana uri a Ottokar I (i mate i te 1064), ko te Kaute i Chiemgau, i noho hei rangatira o te haerenga Carantanian i te 1056.