After he served as danjoin (President of the Board of Censors), he was dispatched as jibukyo (Minister of the Ministry of Civil Administration) to offer a wand of hemp and paper streamers to Ise-jingu Shrine at the outbreak of the Rebellion of FUJIWARA no Hirotsugu in 740.
王は弾正尹を務めた後、740年藤原広嗣の乱勃発に際し、伊勢神宮に奉幣の為、治部卿として派遣される。