Yorichika became the kokushi (provincial governor) of the Province of Yamato, and extended his power across the Province; during this process he fought against the forces of Nanto (southern capital [Nara]), such as Kofuku-ji Temple, and was exiled.
頼親は大和国の国司となり同国に勢力を拡大、その過程で興福寺などの南都勢力と武力衝突を起こして流罪となった。