 Apart from these candidates, the clan has also been claimed to descend from the Seiwa Genji via Minamoto no Mitsuyasu (one of the sons of Minamoto no Tsunemoto).In antiquity, the Suwa clan produced the Upper Shrine (上社 "Kamisha") of Suwa's high priest known as the "Ōhōri" (大祝 'great priest', old orthography